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If you know the radius, then the diameter is 2R. If you know circumference, then the diameter is C/(pi). If you know the area, then the diameter is the square root of 4A/(pi).
R is the radius of a circle, C is the circumference and A is the area.

How to Calculate the Diameter of a Circle (with Cheat Sheet)


How to Calculate the Diameter of a Circle. Calculating a circle's diameter is easy if you know any of the other dimensions of the circle: the radius, the ...

Online Conversion - Circle Solver Calculator


Solve area, diameter, and circumference, circle equations.

Circumference of a Circle - Math Goodies


Pi is the ratio of the circumference of a circle to its diameter ... Thus, the diameter of a circle is twice as long as the radius. ... 3.14 to calculate your answers.

Circumference Calculator - Math Goodies


Our circumference calculator lets you find the circumference of a circle after you enter its radius. For in-depth instruction on the circumference of a circle, try our ...

Diameter Calculator - CSGNetwork.Com


This calculator requires the use of Javascript enabled and capable browsers. PI is approximately 3.14, by definition, the number of times that a circle's diameter ...

Diameter or Radius of a Circle Given Circumference ( Read ... - cK-12


Oct 29, 2012 ... The diameter is two times the radius, so the equation for the circumference of a circle using the radius is two times pi times the radius.

www.ask.com/youtube?q=Calculate Diameter of Circle&v=mEqUcfDC5rM
Apr 6, 2011 ... A how to video on How To Determine The Diameter Of A Circle that will improve your math skills. Learn how to get good at math from ...

Calculate the Diameter of a Circle, from Its Area - The Oo Kingdom


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. For an  ...

Circle Calculator - Calculator Soup


Calculate the area, circumference and radius of circles. Given any 1 known variable of a circle, ... Circle Formulas in terms of Pi π, radius r, and diameter d ...