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  1. www.omnicalculator.com › math › radius-of-a-circleRadius of a Circle Calculator

    6 dni temu · The radius of a circle calculator returns the length of a circle's radius based on the input data: the circumference, area, or diameter.

  2. 24 cze 2024 · This square footage of a circle calculator helps you compute the surface area in square feet, given the radius or diameter. Keep reading to learn about the importance of square footage and how to calculate the square feet of a circle using the formula and our sq ft of a circle calculator.

  3. www.omnicalculator.com › math › diameter-to-radiusDiameter to Radius Calculator

    16 cze 2024 · To calculate the radius from the diameter, you can use the diameter to radius formula, which states that diameter = radius 2. For instance, if your radius equals 3, the diameter would be 3 ⋅ 2 = 6 .

  4. www.omnicalculator.com › math › area-of-a-circleArea of a Circle Calculator

    1 dzień temu · You can find the diameter of a circle by multiplying the radius of a circle by two: Diameter = 2 × Radius. The formula to calculate the area of a circle using radius is as follows: Area of a circle = π × r2. And, to calculate the area of a circle using diameter use the following equation: Area of a circle = π × (d/2)2. where:

  5. 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). The formula: Area of a Circle = π x (Diameter/2)^2. π = 3.142. Answer = (π x (Diameter/2)^2) square area.

  6. Use the radius of a circle to find the diameter, circumference, and area. This tool can use a variety of metric and imperial units for lengths and area.

  7. www.gigacalculator.com › calculators › area-of-circle-calculatorArea of a Circle Calculator

    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. Visual on the figure below: π is, of course, the famous mathematical constant, equal to about 3.14159, which was originally defined as the ratio of a circle's circumference to its diameter.