Geometry
Ellipse Area
Area of an ellipse.
Formula
Formula
A = π a b
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| a, b | semi-axes | real number (ℝ) | — | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givensemi-axis a = 5, semi-axis b = 3
Result47.1238898
Example 2
Givensemi-axis a = 4, semi-axis b = 4
Result50.26548246