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Ellipse Area — result sheet
Area enclosed by an ellipse from its semi-major and semi-minor axes.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: A = πab.
A stretched circle: area πr² generalizes to πab. Equal axes recover the circle exactly.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Semi-axis a — Half the full width along one axis.; minimum 1.0E-6; maximum 1000000000
- Semi-axis b — Half the full width along the other axis.; minimum 1.0E-6; maximum 1000000000
Worked example
| Input | Value |
|---|---|
| Semi-axis a | 5 |
| Semi-axis b | 3 |
Ellipse area 47.12.
Assumptions and limits
- a and b are semi-axes (half-lengths), positive and in the same unit.
- Output is in square units of the input.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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