Ellipse area Calculator

How to calculate ellipse area

This tool calculates ellipse area from Semi-major axis, Semi-minor axis. Enter each quantity in its labelled field, then use the formula below to check the calculation.

Formula

π × a × b

Worked example

Semi-major axis

6

Semi-minor axis

4

Applying the formula to these values gives 75.3982236862 square units.

What should I check?

Find the area, perimeter, surface area or volume of common shapes. Use consistent length units: metres produce square metres for areas and cubic metres for volumes.

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