Math
Triangle Area Calculator
Find the area of a triangle from its base and height.
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Formula
Triangle area = ½ × base × height.
How it works
Enter the base and the vertical height. The calculator multiplies them and halves the result, since a triangle is half of a rectangle with the same base and height.
FAQs
What does the Triangle Area do?
It takes the values you enter and works out the triangle 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.