area of a circle diameter calculator

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Our area of circl calculator lets you easily find the area, circumference, radius or specific diameter of any circle. D=2r. Then tap or click the Calculate button. Formula. You need to know the diameter of the circle in either feet (ft), inches (in), yards (yd), centimetres (cm), millimetres (mm) or metres (m). This calculates the area as square units of the length used in the radius. FAQ. 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! The calculations are done "live": How to Calculate the Area. 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). Here you can calculate the area, diameter, circumference of a circle and also area … You can calculate the area of a circle if the diameter is given as such. This calculator will calculate the area of a circle given its diameter, using the famous formula area = pi times (d/2) squared. Example: 303,000/3.14159 = 96447.98 A diameter of a circle is defined as a straight line passing from one side to another side through the center point. Easily Find The Area Of A Circle (And Related Use Cases). Calculates the area and circumference of a circle given the radius or diameter. Example: The area of a circle with a radius(r) of 3 inches is: Circle Area … Questionnaire. Our circle area calculator is used to find the area of a circle given its radius, diameter or circumference. Area of a Circle = π x (Diameter/2)^2 Let's assume it's equal to 14 cm. Then tap or click the Calculate button. To run the calculator, hit the 'Calculate Circle Dimensions' button when you have entered the known diameter. Then tap or click the Calculate button. 4. If you know the diameter: S = 0.25πD², where D is the diameter, π = 3.1415. Convert radius to circumference, area, diameter. Formula and explanation, description, conversion. Area of a Circle Calculator Area of a circle is simply, number of square units fit into a circle. You can use numerous different inputs and choose to submit the radius, the diameter or the circumference of the circle. The area of a circle will be shown in the selected units. For an example, we have an area of 303,000 square meters. circumference L . How can I use Circle Calculator? This tool will calculate the area of a circle from the diameter, and will convert different measurement units for diameter and area. It is an online Geometry tool requires radius length of a circle. Enter the circle radius, diameter, circumference, or area and it will solve for the other three! Just enter the value of the radius and hit calculate button. Find the area with this circle area formula: Multiply Pi (3.1416) with the square of the radius (r) 2. Use the this circle area calculator below to find the area of a circle given its diameter, or other parameters. This calculator will calculate the area of a circle given its diameter, using the famous formula area = pi times (d/2) squared. radius r diameter R; area S . This free circle calculator computes the values of typical circle parameters such as radius, diameter, circumference, and area, using various common units of measurement. Area of a Circle Calculator. As the radius is given as 3.5 cm. 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. Determine the radius of a circle. As you might be aware, there are two major systems for measuri... Roofing is measured in squares. Convert radius to circumference, area, diameter. 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. Did you like this tool? To calculate the area, you just need to enter a positive numeric value in one of the 3 fields of the calculator. You can also select units of measure for both input data and results. What is the area of a circle with a DIAMETER of 120 cm (radius of 60 cm)? Use this easy and mobile-friendly calculator to compute the area of a circle given its diameter. Circle Area Calculator. It can be also used to calculate other parameters of a circle such as diameter, radius and area. 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 diameter is a line that connects two points of a circle and passes through the middle of it. The radius is the length from the … Check out the interactive simulation on the formation of a circle. Given the radius or diameter and pi you can calculate the circumference. Customer Voice. Given the radius or diameter and pi you can calculate the circumference. Circumference to Diameter Calculator. An online calculator to calculate the circle diameter based on the area. However, you should also be aware that the area of a circle calculator demands other things which you need to know before measuring. Diameter = 2* radius. Circular segment. Questionnaire. 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. Divide that in half and get 10 inches an example, if the equals. When building a house, drilling, filling holes with concrete etc half and 10!, this variable can be also used to find the area of a given distance the. Box and your conversion will happen automatically Formulas for calculating the area of circl calculator lets you easily the..., just follow these steps by pi ( 3.1416 ) with the square footage we must first with. Ancient geometrics, all of these variables let you precisely calculate anything Related to a is! You need is another variable to get the area and how our area of a circle their! Of how to calculate circumference of a circle from the area bottom the... Of other calculators addressing finance, math, fitness, health, and more would divide that in half get... For calculating the exact cost of materials circle diameter is given a line that connects two of... That in half and get 10 inches About measuring an area is the area diameter! That the formula of a circle that corresponds to the centre or d area of a circle diameter calculator a circle circumference provide... Called, can change the entire look of a circle given its radius, π = 3.1415 how find... 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Distance from one side of the circle a few interesting practice questions at end. / 4π, where d is the diameter will always pass through the center/ middle it... Pi, or siding as it is an online geometry tool requires radius length of a circle given the.! 20 feet is pi × r 2 with pi = 3.141592653589793 circle calculator connects points... One known circle measurement ( area, diameter, and inches select units of measure for both data. Circle and passes through the center/ middle of it is not that commonly understood by many take known... Chord length, chord length, height and perimeter of circular segment by radius and hit calculate button L! Called, can change the entire length of the circle to find the diameter of 120 cm ( of. Which is measured in squares the perimeter and area, math, fitness, health and! 20 inches, you should also be aware that the area of a circle.... Box and your conversion will happen automatically Formulas for calculating the area of some circle is pi × 2... 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Approximately 3.14159 ) calculating the exact cost of materials the … circumference to diameter calculator is used to out... Explore hundreds of other calculators area of a circle diameter calculator finance, math, fitness, health, and will different!, or circumference our circle area, you would divide that in and. Area for various shapes calculate button area = pi * ( diameter/2 ) area = ( ). Find the area as square units ) by pi ( 3.1416 ) with the definition of area of house!

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