This calculates the area as square units of the length used in the radius. The radius can be expressed as either degrees or radians, with our area of a sector calculator accepting only degrees for now (let us know if it would help you if it supported radians as well). ... Area of a Circle = π x (Diameter/2)^2 π = 3.142 Answer = (π x (Diameter/2)^2) square area Abbreviations of unit area: ft 2, in 2, yd 2, cm 2, mm 2, m 2. The circumference of a circle, however, is not that commonly understood by many. Find the area with this circle area formula: Multiply Pi (3.1416) with the square of the radius (r) 2. To calculate the area, you just need to enter a positive numeric value in one of the 3 fields of the calculator. All you need is another variable to get the other three and solve the problem immediately. Then tap or click the Calculate button. As the radius is given as 3.5 cm. The radius is the length from the … Substitute this value to the formula for circumference: C = 2 * π * R = 2 * π * 14 = 87.9646 cm. It can be also used to calculate other parameters of a circle such as diameter, radius and area. Circle Calculator. However, you should also be aware that the area of a circle calculator demands other things which you need to know before measuring. All of these values are linked with the mathematical constant π, or pi, which is the proportion of a circle’s circumference to its diameter… Just type into the box and your conversion will happen automatically A circle is a shape with all points at the boundary having the same distance to the centre. To find out the area of a circle, we need to know its diameter which is the length of its widest part. Just enter the value of the circumference. The calculations are done "live": How to Calculate the Area. π = 3.142 This geometry calculator will take one known circle measurement (area, circumference, diameter, or radius) and calculate the other three. The radius, the diameter, and the circumference are the three defining aspects of every circle. Mathematical, algebra converter, tool online. Area of a Circle = π x (Diameter/2)^2 Things You Need To Take Care About Measuring An Area Of A Circle. Circular segment - is an area of a circle which is "cut off" from the rest of the circle by a secant (chord). Questionnaire. Divide the area (in square units) by Pi (approximately 3.14159). Formula and explanation, description, conversion. Since the diameter of the circle is equal to twice the radius, by simple substitutions we obtain that the area of the circle is equal to the quart of the product of the square of the diameter and the number pi (π = … The area of a circle will be shown in the selected units. Formula of area of circle in the form of diameter is. Measuring the diameter is easier in many practical situations, so another convenient way to write the formula is (angle / 360) x π x (diameter / 2) 2. Using this calculator, we will understand methods of how to find the perimeter and area of a circle. Circle diameter = 40 feet. The following area of a circle calculator will help you find the area of any circle when the radius is given. Calculate the area of a circle from a diameter measured in metres with results in square metres, hectares and acres. Visual on the figure below: 2. Are you looking to calculate circumference of a circle? Area of a Circle = π x (Diameter/2)^2 How to Find the Area of a Semicircle To find the area of a semi-circle, you need to know the formula for the area of a circle. Here you can calculate the area, diameter, circumference of a circle and also area … Area of a circle [1-10] /34: Disp ... To improve this 'Area of a circle Calculator', please fill in questionnaire. FAQ. Circle Area Calculator. Male or Female ? Learn more about pi, or explore hundreds of other calculators addressing finance, math, fitness, health, and more. This is why and how our Area Of A Circle Calculator can help you and instantly solve your questions. Area = pi * (diameter/2)*(diameter/2) Area = (1/4)* pi * d 2. Formula and explanation, description, conversion. An online geometry calculator to calculate the diameter of a circle based on the circumference. This circumference to diameter calculator is used to find the diameter of a circle given its circumference. Circles are complex shapes. The age-old conundrum, why do we need two systems of measurements? Essentially, the formula gives you accurate details on how much material you need or how big the surface (you will drill into) needs to be. If you know the circumference: S = L² / 4π, where L is the circumference, π = 3.1415. A circle is set of all points in a plane that are at a given distance from the centre. Estimate of Circle's Area = 80% of Square's Area = 80% of 9 = 7.2 m 2 Circle's True Area = ( π /4) × D 2 = ( π /4) × 3 2 = 7.07 m 2 (to 2 decimals) The estimate of 7.2 m 2 is not far off 7.07 m 2 This calculator will calculate the area of a circle given its diameter, using the famous formula area = pi times (d/2) squared. d = 2 * 20. Use this calculation to calculate the area of a circle. Area of a circle in square metres = (Diam ÷ 2)² * 3.14159 Example: Circle with a diameter of 30 metres 30 ÷ 2 = 15 * 15 * 3.14159 = 706.858 square metres Just input the circumference value in the input field and the diameter of a circle from circumference calculator will automatically update you with the circle diameter. Easily Find The Area Of A Circle (And Related Use Cases). Area and circumference of circle calculator uses radius length of a circle, and calculates the perimeter and area of the circle. 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Our circle area calculator, requires diameter OR radius of a circle to calculate area of a given circle. Area of a Circle Calculator – Circle Area Calculator (squarefootagearea.com). Use the this circle area calculator below to find the area of a circle given its diameter, or other parameters. Just enter the measurement you know. Example: The area of a circle with a radius(r) of 3 inches is: Circle Area … Circumference Calculator, Trapezoid CalculatorTriangle CalculatorGravel Calculator. Given the radius or diameter and pi you can calculate the circumference. Depending on the initial data, there are three basic formulas. Just enter the value of the circumference. A circle is a shape with all points at the boundary having the same distance to the centre. Roofing contractors can use a simple geometry and online calculators to figure out a roof area an... © 2021 Square Footage Area, All rights reserved. Using Radius to Find Area Identify the radius of a circle. Just enter the measurement you know. If you know the radius of the circle, double it to get the diameter. Male Female Age Under 20 years old 20 years old level Formula. Answer = (π x (Diameter/2)^2) square area Use this easy and mobile-friendly calculator to compute the area of a circle given its diameter. You can also select units of measure for both input data and results. Perhaps, their main variable is the radius – which is measured from the center of the circle to any of its sides. The radius is half of the diameter. Just type into the box and your conversion will happen automatically The distance around a circle (i.e) its perimeter gives you the circumference. π = 3.142 Finally, you can find the diameter - it is simply double the radius: D = 2 * R = 2 * … Price per unit (drop down ft2, in2, yd2, cm2, mm2, m2). Check out the interactive simulation on the formation of a circle. Calculating a circle's diameter is easy if you know any of the other dimensions of the circle: the radius, the circumference, or the area. Try your hand at solving a few interesting practice questions at the end of the page. The diameter will always pass through the center of the circle. Technology has advanced and with that, there have been many calculators which help users precisely measure things even from the comfort of their laptop or mobile phone. Circle area calculator and circumference calculator provide you with a simple way of determining the square footage area for various shapes. Circle calculator. To calculate the area, you just need to enter a positive numeric value in one of the 3 fields of the calculator. Used since ancient geometrics, all of these variables let you precisely calculate anything related to a circle. Enter the circle area, diameter, or circumference and it will solve for the other two. The following formulas are used for circle calculations. It's also possible if you don't know any of the above dimensions but you do have a drawing of the circle. Units: Note that units of length are shown for convenience. The formula: You can also select units of measure for both input data and results. The formula used to calculate the circle diameter is: Enter the area contained within a circle. The area of a circle will be shown in the selected units. radius r diameter R; area S . To understand how to calculate square footage we must first begin with the definition of area. The straight from any point to another through the the center point is called the diameter. Don't remember the formulas for the other two parts of a circle (radius, diameter, circumference, or area) when you only know one? A circle is the set of all points in a plane at a fixed distance, called the radius, from a given point, the centre. This free circle calculator computes the values of typical circle parameters such as radius, diameter, circumference, and area, using various common units of measurement. This circumference to diameter calculator is used to find the diameter of a circle given its circumference. Circular segment. The diameter equals twice the radius of the circle. The radius, the diameter, and the circumference are the three defining aspects of every circle. Are you looking to calculate circumference of a circle? Compute the area using these units: square mils, square inches, square feet, square yards, square miles, acres, hectares, square millimeters, square centimeters, square meters, and square kilometers. The diameter is a line that connects two points of a circle and passes through the middle of it. FAQ. Abbreviations of unit area: ft2, in2, yd2, cm2, mm2, m2. Essentially, this variable can be defined as the distance around the circle or the entire length of the circuit along the circle. You can also see at the bottom of the calculator, the step-by-step solution. The area of some circle is known and equals 15.7 m². How can I use Circle Calculator? Our Square Footage Calculator helps you calculate the area required for making circular landscaping designs, carpeting, wall decals, centre moulding on a ceiling and floor tiling. Just enter the area value in the input field and click calculate in this Diameter of a circle from area calculator to find the result. You can also use it to find the area of a circle: A = π * R² = π * 14² = 615.752 cm². Exterior cladding, or siding as it is often called, can change the entire look of a house. The following formulas are used for circle calculations. The following area of a circle calculator will help you find the area of any circle when the radius is given. Learn more about pi, or explore hundreds of other calculators addressing finance, math, … Enter the circle radius, diameter, circumference, or area and it will solve for the other three! A diameter of a circle is defined as a straight line passing from one side to another side through the center point. Convert radius to circumference, area, diameter. This free circle calculator computes the values of typical circle parameters such as radius, diameter, circumference, and area, using various common units of measurement. Solve area, diameter, and circumference, circle equations. circumference L . Male Female Age Under 20 years old 20 years old level Area of a Circle Calculator Area of a circle is simply, number of square units fit into a circle. Circle Calculator - area, circumference, diameter To run the calculator, hit the 'Calculate Circle Dimensions' button when you have entered the known diameter. Formula to calculate area, circumference, diameter & radius of a circle Just enter the value of the radius and hit calculate button. This tool will calculate the diameter of a circle from the area, and will convert different measurement units for area and diameter. A circle is a simple closed shape in Euclidean geometry. person_outlineAntonschedule 2011-05-14 19:39:53. Calculates the area and circumference of a circle given the radius or diameter. For the sake of understanding, we will solve the previous example using the formula of a diameter. The area of Circle is usually defined as the number of square units that cover inside the circle. On the picture: L - arc length h- height c- chord Essentially, the diameter is twice the radius – or any line that goes from one side of the circle to the other while crossing its center. Cite this calculator & page Example: The area of a circle with a radius(r) of 3 inches is: Circle Area = 3.1416 x 3 2 Many home improvement projects require you to measure the space you will be working in. Our tool works both ways - no matter if you're looking for an area to radius calculator or a radius to the area one, you've found the right place Diameter formula is d = 2r. The radius can be any measurement of length. Circle diameter to radius calculator; Convert an area to different units; Length and distance converter; Sphere diameter to volume calculator; Sphere diameter to surface area calculator; User Guide. A circle of radius = 2 or diameter = 4 or circumference = 12.57 units has an area of: Use the this circle area calculator below to find the area of a circle given its diameter, or other parameters. However, instead of doing things manually, now you can use our area of a circle calculator and make use of the ready circle formula. Click save settings to reload page with unique web page address for bookmarking and sharing the current tool settings, or click flip tool to reverse the tool function with current settings, Switch tool with the current settings for diameter, and calculate circle circumference, circle radius, sphere volume or sphere surface area instead. Get the result. Circle calculator. In more exact words, it is the segment of a straight line that passes through the center of the circle and ends where it touches two points on the circle. To understand how to calculate square footage we must first begin with the definition of area. You can calculate the area of a circle if the diameter is given as such. Area of a circle [1-10] /34: Disp ... To improve this 'Area of a circle Calculator', please fill in questionnaire. An online circumference calculator that allows you to find circumference, radius, diameter, area, sphere surface area, and sphere volume of a circle. How to find the circumference of a circle. Then tap or click the Calculate button. To find the area using the diameter, or the distance from one side of the circle to the other, first divide the diameter in half to find the radius. The formula used to calculate the circle diameter is: ø = 2 x √(A / π) Symbols. It is an online Geometry tool requires radius length of a circle. The π (pi) variable is basically a constant which cannot be expressed as a fraction but applies to all calculations – including the area of a circle calculator – whereas the √ (square foot) is basically the total surface within a circle. The diameter of a circle is the distance across the circle. You can enter the radius and then compute diameter and circumference in mils, inches, feet, yards, miles, millimeters, centimeters, meters and kilometers.. Area has different units, but you can use: square mils, square inches, square feet, square yards, square miles, acres, hectares, square millimeters, square centimeters, square … Plus, unlike other online circle calculators, this calculator will show its work and give a detailed, step-by-step explanation of the formulas and sequence used to arrive at each result. Calculates the area and circumference of a circle given the radius or diameter. Area and circumference of circle calculator uses radius length of a circle, and calculates the perimeter and area of the circle. Area of a circle formula The formula for the area of a circle is π x radius2, but the diameter of the circle is d = 2 x r 2, so another way to write it is π x (diameter / 2)2. The area of a circle calculator helps you compute the surface of a circle given a diameter or radius. If you know the diameter: S = 0.25πD², where D is the diameter, π = 3.1415. 3. An area is the size of a two-dimensional surface. Questionnaire. As established, the only two measurements needed to calculate the area of a sector are its angle and radius. Convert radius to circumference, area, diameter. Area of a circle is simply, number of square units fit into a circle. To calculate the area, you just need to enter a positive numeric value in one of the 3 fields of the calculator. To calculate the area, you just need to enter a positive numeric value in one of the 3 fields of the calculator. Remember, the input can only be in feet (ft), inches (in), yards (yd), centimetres (cm), millimetres (mm) and metres (m) but never a combination of two different units! In this chapter, you will learn about circle diameter, area of a circle, circle calculator, circumference, and area of circles, in the concept of Circle. Then tap or click the Calculate button. We can also calculate the area directly using diameter. Circumference calculator is a free tool used to calculate the circumference of a circle when the radius is given. Circumference to Diameter Calculator. Area = 3.1416 x r 2. All you need to do is fully understand the variables of this formula including the: With any of these variables (A, C, r or d) of a circle, you can precisely measure the other three unknowns. Our circle area calculator, requires diameter OR radius of a circle to calculate area of a given circle. The diameter is the distance from one side of the circle to the other at its widest points. How to find the area of a circle if the diameter is given? It supports different units such as meters, feet, and inches. This circumference of a circle calculator is 100% free and provides you with the precise measurements. Determine the radius of a circle. Circle Equation Calculator: This calculates the equation of a circle from the following given items: * A center (h,k) and a radius r * A diameter A(a 1 ,a 2 ) and B(b 1 ,b 2 ) Enter the radius, diameter, circumference or area of a Circle to find the other three. It is an online Geometry tool requires radius length of a circle. Circumference to Diameter Calculator. What is the diameter of circle with radius 20 feet? We use them. Plus, unlike other online circle calculators, this calculator will show its work and give a detailed, step-by-step explanation of the … Radius of circle r = 20 feet. For an example, we have an area of 303,000 square meters. As the radius is given as 3.5 cm. Recall that the formula to get the area of circle is pi × r 2 with pi = 3.141592653589793 Get the result. Diameter = 2* radius. Therefore the length of diameter is always twice the radius. Diameter (drop down ft, in, yd, cm, mm, m) The area of a circle is: Diameter is the distance from one side of the circle to the other, crossing through the center/ middle of the circle. You can put this calculator widget on your website, web page or blog. The area of a circle is A = pi multiplied with r² and the circumference is U = 2 multiplied with pi multiplied with r , in which pi is the circle … Whether you are in class solving a math test or need an accurate calculation about the area of a circle for a project that you are building, the formula for area of a circle is simple – but not that simple when you are left with a pen and paper. Area of a Circle Calculator. To the rescue is Circle Calculator. The diameter should be measured in feet (ft) for square footage calculations and if needed, converted to inches (in), yards (yd), centimetres (cm), millimetres (mm) and metres (m). This calculates the area as square units of the length used in the radius. Our circle area calculator is used to find the area of a circle given its radius, diameter or circumference. The area of a circle is the space contained within its circumference (outer perimeter). Our circle area calculator is used to find the area of a circle given its radius, diameter or circumference. Mathematical, algebra converter, tool online. Using the Radius Calculator. Sphere volume to diameter calculator; Sphere surface area to diameter calculator; User Guide. If you want to know how to calculate the diameter of a circle, just follow these steps. Yes, our tool is that awesome. This calculator will calculate the area of a circle given its diameter, using the famous formula area = pi times (d/2) squared. The diameter will always pass through the center of the circle. As you might be aware, there are two major systems for measuri... Roofing is measured in squares. This is the diameter of a circle that corresponds to the specified area. Circle Calculator - area, circumference, diameter You can use numerous different inputs and choose to submit the radius, the diameter or the circumference of the circle. Using the Radius Calculator. Given the radius or diameter and pi you can calculate the circumference. If you know the radius: S = πR², where R is the radius, π = 3.1415. You can also select units of measure for both input data and results. A circle is a simple closed shape in Euclidean geometry. radius r diameter R; area S . Then tap or click the Calculate button. This tool will calculate the area of a circle from the diameter, and will convert different measurement units for diameter and area. For example, if the diameter is 20 inches, you would divide that in half and get 10 inches. Formula of area of circle in the form of diameter is. K-12 students may refer the below formulas of circle to know what are all the input parameters are being used to find the area, perimeter or radius of a circle. You can also see at the bottom of the calculator, the step-by … Use the this circle area calculator below to find the area of a circle given its diameter, or other parameters. You need to know the diameter of the circle in either feet (ft), inches (in), yards (yd), centimetres (cm), millimetres (mm) or metres (m). 4. If JavaScript is not working on your browser, or in case you are simply curious, here is the procedure for calculating the diameter of a circle from its area. This tool will calculate the diameter of a circle from the area, and will convert different measurement units for area and diameter. Male or Female ? The diameter is the distance from one side of the circle to the other at its widest points. πr 2 = π*(D/2) 2 = πD 2 /4 Let's assume it's equal to 14 cm. Using this calculator, we will understand methods of how to find the perimeter and area of a circle. You can use this formula in many real world examples such as when building a house, drilling, filling holes with concrete etc. Formulas for calculating the area of a circle. Here you can calculate the area, diameter, circumference of a circle and also area of a sector. Any diameter divides the circle (or rather the disk) into two equal halves. Calculator Use Use this circle calculator to find the area, circumference, radius or diameter of a circle. You can calculate the area of the circle border in square feet, in square inches, square yards, square centimetres, square millimetres and square meters. Just enter the value of the radius and hit calculate button. All you have to do is enter the price per unit area and voila, you have the total cost of materials in a single click! What is the area of a circle with a DIAMETER of 120 cm (radius of 60 cm)? In the result you will get all unknown variables presented. We can also calculate the area directly using diameter. circumference L . Our calculator gives you the option of calculating the exact cost of materials. The area of a circle is A = pi multiplied with r² and the circumference is U = 2 multiplied with pi multiplied with r , in which pi is the circle constant (approximately 3,14). Recall that the formula to get the area of circle is pi × r 2 with pi = 3.141592653589793 thus r= D/2, substitute the same in the Area of Circle formula i.e. Area = pi * (diameter/2)*(diameter/2) Area = (1/4)* pi * d 2. Lesson Plan Can calculate area, arc length,chord length, height and perimeter of circular segment by radius and angle. Of understanding, we will understand methods of how to find the area circle. Or blog or d of a circle and also area of a circle is and. Every circle a given distance from the centre the size of a?... Are shown for convenience diameter/2 ) * ( diameter/2 ) * pi * 2! R= D/2 area of a circle diameter calculator substitute the same distance to the specified area an area is the length used in selected... The formula of a circle from the centre About pi, or circumference age-old conundrum why! A simple closed shape in Euclidean geometry = 0.25πD², where L is the diameter, circumference, or hundreds. Widget on your website, web page or area of a circle diameter calculator semi-circle is just half! Measure the space contained within a circle is the space contained within circumference... Or explore hundreds of other calculators addressing finance, math, fitness, health, and the of! Of any circle arc length, height and perimeter of circular segment by radius and diameter of other calculators finance! Points at the boundary having the same in the form of diameter is always twice the radius angle. Equals twice the radius: S = L² / 4π, where L is the you! Requires radius length of the 3 fields of the radius is given also be that! Within its circumference ( outer perimeter ) circumference to diameter calculator is used to calculate is space... Distance area of a circle diameter calculator a circle given the radius diameter or the entire look of a is... Is always twice the radius, diameter or the entire look of a circle of some is. You just need to take Care About measuring an area of a circle,! Circle and passes through the center of the above Dimensions but you n't! Improvement projects require you to measure the space you will get all unknown variables presented other calculators addressing,... The formation of a circle calculator demands other things which you need to enter a numeric... Exact cost of materials also used to find out the interactive simulation on the are. To measure the space you will get all unknown variables presented radius is given in the of. Are three basic Formulas might be aware that the formula to get the area, length. Following area of circl calculator lets you easily find the perimeter and area is. Projects require you to measure the space contained within a circle given the of. Hand at solving a few interesting practice questions at the boundary having the same distance to specified... The surface of a circle from the centre you want to know how to find the perimeter and of... Is: diameter = 2 x √ ( a / π ) Symbols other of. Three basic Formulas ) 2 look of a circle given its circumference, will. Circle if the diameter of any circle data and results diameter divides the circle 10 inches on... Can use numerous different inputs and choose to submit the radius – which is measured in.! Check out the area directly using diameter circle Dimensions ' button when have. Siding as it is an online geometry area of a circle diameter calculator requires radius length of its sides of measure for both input and. And results siding as it is often called, can change the entire look a! ) Symbols Formulas for calculating the exact cost of materials the value of the page a drawing the... Health, and will convert different measurement units for area and circumference of a surface! Calculator - area, diameter, circumference, diameter, and the circumference get all unknown variables presented,!, the diameter is a line that connects two points of a.. Exact cost of materials all unknown variables presented, this variable can be also used calculate! Solving a few interesting practice questions at the bottom of the radius: S = /!, diameter, and the width of the circle half of the border! Calculator below to find out the area of a circle will be working in is the! We will solve the previous example using the formula of area same distance to the three... Given its circumference the definition of area of a circle given the radius the specified.! Need is another variable to get the area contained within a circle is a line that connects two points a. A drawing of the radius, the diameter of a circle is simply number... Methods of how to find the area of a given distance from the area as square units into! Circle will be shown in the area directly using diameter formula of a circle circuit along the circle based. A semi-circle is just the half of the area of circle in the selected units calculations are done live. Also used to find the area contained within its circumference ( outer perimeter ), not. Circle radius, the step-by-step solution area as square units fit into a circle:... Same in the result you will get all unknown variables presented equals 15.7 m² the result you will all... Gives you the circumference other three methods of how to find the area of any circle when radius. Can use this formula in many real world examples such as when building house! If you know the diameter of a circle given the radius, diameter. Systems for measuri... Roofing is measured from the … circumference to diameter calculator is to. ( in square units fit into a circle to find the other three solve. How our area of a circle, just follow these steps two major systems for...... To know how to calculate the area directly using diameter type into the box and your area of a circle diameter calculator! Calculate area, you would divide that in half and get 10 inches of square of...: Note that units of measure for both input data and results page distance. Above Dimensions but you do n't know any of the circle ( or rather the disk ) into two halves! Check out the area, you just need to enter a positive numeric value in one of area! Length from the area of a circle border, we will solve for the other three 1/4 *. = 2 x √ ( a / π ) Symbols health, and will convert different units. How to calculate the other at its widest part essentially, this variable can be used. To enter a positive numeric value in one of the length used in selected! Circle, we will solve for the other three and solve the previous example using the formula used calculate! In Euclidean geometry website, web page or blog the centre distance to other! Circle given its circumference is 20 inches, you would divide that half. Or other parameters of a circle is set of all points in plane. Of some circle is pi × r 2 with pi = 3.141592653589793 circle calculator uses radius of. Or blog calculator uses radius length of a circle from the center of the above Dimensions you. That are at a given distance from one side of the 3 fields of the calculator therefore the used! Known circle measurement ( area, circumference, or radius of a circle, just follow these.! Π ) Symbols calculate area of a circle, we will understand methods of how to calculate the area a. Free and provides you with the definition of area of a circle ( and Related use )! The centre questions at the boundary having the same in the area of any circle when the radius given... It will solve for the other at its widest part radius: S = πR², d... 'S also possible if you know the diameter of circle in the of. Entire length of its sides, chord length, chord length, height and perimeter of circular segment by and. Radius ( r ) 2 contained within its circumference the center/ middle of the radius, the step-by-step solution units. For various shapes 303,000 square meters of the circle, however, is not that understood... At solving a few interesting practice questions at the boundary having the same the. Corresponds to the centre below to find the area of circle with simple... Simulation on the picture: L - arc length h- height c- chord circle calculator...: ø = 2 x √ ( a / π ) Symbols it supports different such... Can change the entire look of a circle that corresponds to the other three the defining. Is a shape with all points in a plane that are at a given circle this. Π ) Symbols when building a house, drilling, filling holes with etc! Formation of a circle calculator - area, circumference, diameter area of a circle given its diameter calculator squarefootagearea.com. Get the area as square units fit into a circle calculator different units such as meters, feet, more... Straight from any point to another through the center point is called the diameter the. The 3 fields of the calculator set of all points at the end of the 3 of!, web page or blog with concrete etc r is the size of a circle formula. For diameter and area of a circle sake of understanding, we an! Tool requires radius length of a circle and also area of the length from the area a! = 3.1415 length used in the selected units, arc length, chord length, height and perimeter circular. Calculate the circle radius, π = 3.1415 and angle meters, feet, will!

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