⬭ Ellipse Area Calculator

Calculate the area of an ellipse from its semi-major and semi-minor axes.

No ratings yet — be the first
Rate it: ★ ★ ★ ★ ★

Enter details

Area
47.1239

Also available in our Android app, with charts and full breakdown tables.

📘 About the Ellipse Area

Calculate the area of an ellipse from its semi-major and semi-minor axes.

Use consistent units for all dimensions. The resulting area or volume uses the corresponding squared or cubed unit.

🧮 Formula

Where

  • Semi-Major Axis = semi-major axis
  • Semi-Minor Axis = semi-minor axis
Enter the dimensions of the selected geometric shape.

✏️ Worked example

Ellipse Area

You enter
Semi-Major Axis5
Semi-Minor Axis3
You get
Area47.1239

The calculator applies the standard geometry formula to the example dimensions.

Try this example →

🧭 How to use this calculator

What you enter

  • Semi-Major Axis
  • Semi-Minor Axis

What you get

  • Area

💡 Common uses

  • School geometry and homework
  • Construction and measurement
  • Area, perimeter, surface area and volume calculations

❓ Frequently asked questions

Which units should I use?

Use the same unit system for all dimensions. Area is in square units and volume is in cubic units.

Can I use decimal measurements?

Yes. The calculator accepts numeric decimal values.

Are these standard geometry formulas?

Yes. The formulas are standard formulas for the corresponding geometric shapes.