Trapezoid Calculator
Calculates the area of a trapezoid from its parallel sides and height.
Lilu Baba's Trapezoid Calculator computes area instantly from the two parallel sides and the height between them.
How to use this calculator
- Enter the lengths of the two parallel sides.
- Enter the height (perpendicular distance between them).
- The area updates instantly.
Area
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FAQ
Trapezoid Calculator — frequently asked questions
Area = ((Side a + Side b) ÷ 2) × Height.
This formula requires a proper trapezoid (quadrilateral with at least one pair of parallel sides).