Triangle area
Triangle area: formula A = b × h ÷ 2, custom inputs and copyable results. Free calculation in your browser.
Use the same unit for every length. Height is perpendicular to the base. Values from 0 to 10¹²; results in square or cubic units.
Result
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Formula and instructions
A = b × h ÷ 2
Use the same unit for every length. Height is perpendicular to the base. Values from 0 to 10¹²; results in square or cubic units.
Frequently asked questions
Which formula does this tool use?
A = b × h ÷ 2 Use the same unit for every length. Height is perpendicular to the base. Values from 0 to 10¹²; results in square or cubic units.