# Eccentricity of an ellipse

This online calculator is designed to calculate the eccentricity of an ellipse.

The eccentricity of an ellipse is strictly less than 1

## Calculator of the eccentricity of an ellipse

## Formula of the eccentricity of an ellipse

E = (√a^{2}-b^{2}) / a

**E**- eccentricity of an ellipse**a**- ellipse major axis**b**- ellipse minor axis

This statistical calculator for the eccentricity of an ellipse is provided for your personal use and should be used as a guide only.