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Ellipse Circumference Calculator

This calculator requires the use of Javascript enabled and capable browsers. This calculator is designed to give the approximate circumference of any ellipse. Enter the width of the longest long axis, AB, and the length of the longest short axis, CD. Then, click on Calculate. The circumference is in whatever designation of units you have used for the entries. The formula is PI * SquareRoot of 2 * ((1/2 long axis)squared + (1/2 short axis)squared).

Required Data Entry
Long Axis Width Units
Short Axis Length Units

Calculated Results
Ellipse Circumference Units
Version 1.3.2

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