Geometry & Measurement Calculators
Trapezoid Calculator
Find the area, median and perimeter of a trapezoid from its bases and height.
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What is Trapezoid?
A trapezoid has one pair of parallel sides (the bases). Its area is the average of the bases times the height.
How it works
We average the two bases and multiply by the height, and sum all four sides when the leg lengths are supplied.
- Enter your input. Type or paste your input into the field above — the tool responds instantly.
- Review the result. Output updates live as you type. Everything runs entirely in your browser.
- Copy or download. Use the Copy button to grab the result, or Download to save it as a file.
Examples
Realistic sample
Type or paste any realistic input — the tool computes the result locally and instantly.
Common mistakes
Expecting a server round-trip
Nothing is uploaded — every tool in this category runs entirely in your browser.