Find the diameter

1. If you know the radius of the circle, double it to get the diameter. The radi2. If you know the circumference of the circle, divide it by π to get the diamet3. If you know See more

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How Do You Find the Diameter of a Circle?

This circumference to diameter calculator is used to find the diameter of a circle given its circumference. Just enter the value of the circumference. Then tap or click the Calculate button. Get the result. You can also select units of measure

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Circle Calculator

d=c/\pi d = c/π. If written instead in terms of the radius, the diameter is very simple; it's just twice as long: d = 2r d = 2r. Dimensions of a