Trapezium area Calculator

How to calculate trapezium area

This tool calculates trapezium area from Parallel side A, Parallel side B, Height. Enter each quantity in its labelled field, then use the formula below to check the calculation.

Formula

(a + b) × height ÷ 2

Worked example

Parallel side A

6

Parallel side B

10

Height

4

Applying the formula to these values gives 32 square units.

What should I check?

Find the area, perimeter, surface area or volume of common shapes. Use consistent length units: metres produce square metres for areas and cubic metres for volumes.

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