Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Geometry
Ellipse Calculator
Calculate the area, perimeter, eccentricity, or focal distance of an ellipse from its semi-major and semi-minor axes. Useful in astronomy, engineering, and any field involving oval shapes.
Fill in the required fields to see your result.
Geometry
Ellipse Calculator
Calculate the area, perimeter, and eccentricity of an ellipse from its semi-major and semi-minor axes. Ideal for geometry, astronomy (orbital shapes), and engineering applications involving oval cross-sections.
Fill in the required fields to see your result.
Key differences
| Ellipse Calculator | Ellipse Calculator | |
|---|---|---|
| Category | Geometry | Geometry |
| Inputs required | 4 | 4 |
| Result | Result (units) | Ellipse property (square units) |
| What it does | Calculate the area, perimeter, eccentricity, or focal distance of an ellipse from its semi-major and semi-minor axes. Useful in astronomy, engineering, and any field involving oval shapes. | Calculate the area, perimeter, and eccentricity of an ellipse from its semi-major and semi-minor axes. Ideal for geometry, astronomy (orbital shapes), and engineering applications involving oval cross-sections. |