# How to Calculate Diameter Based on Circumference?

The formulas you learn in geometry class have uses in real life; you cannot easily measure the diameter of a living tree, for example, but you can measure its circumference. The mathematical consta...
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http://www.ehow.com/how_8185917_calculate-diameter-based-circumference.html

## How Do You Calculate the Diameter if You Know the Circumference?

A diameter identifies a circle. Other measurements of the circle, including its area and its circumference, or perimeter, are derived from the measured length of the diameter. The diameter is relat...
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http://www.ehow.com/how_7995746_do-calculate-diameter-circumference.html

## How to Calculate Speed Based on Wheel Speed & Tire Diameter?

A vehicle transfers power from the engine through the transmission and differential. The gears in these components result in a wheel speed expressed in revolutions per minute (rpm). From the wheel ...
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http://www.ehow.com/how_7445086_calculate-wheel-speed-tire-diameter.html

## How to Convert the Diameter of a Circle to Circumference?

A circle is a shape that has no corners and is perfectly round. Since a circle is not elongated like an oval, all points along the circle's edge are equally distant from the circle's center. Becaus...
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http://www.ehow.com/how_8179134_convert-diameter-circle-circumference.html

## Differences Between Circumference & Diameter?

In geometry, the terms circumference and diameter refer to the length of specific parts of a circle. They are two different measurements of length, but they share a special mathematical relationshi...
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