Math
Trapezoid Area Calculator
Find the area of a trapezoid from its two parallel sides and its height.
Formula
Trapezoid area = ½ × (parallel side a + parallel side b) × height.
How it works
Enter the two parallel sides and the distance between them. The calculator averages the parallel sides and multiplies by the height.
FAQs
What does the Trapezoid Area do?
It takes the values you enter and works out the trapezoid area for you, showing the result straight away.
What should I enter?
Enter ordinary numbers in the boxes above. If a value does not make sense for this calculation, the page will ask you to check it instead of showing a wrong answer.
Can I use the result for homework or everyday maths?
Yes. It is a general-purpose maths helper; for exam or professional work, still check the steps against your own working.