Triangle Area Calculator
Calculate the area of a triangle from its base and perpendicular height. Enter both measurements in the same unit to get the area in that unit squared.
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Calculate the area of a triangle from its base and perpendicular height. Enter both measurements in the same unit to get the area in that unit squared.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
With the default inputs (base = 10, height = 6), the results are: area 30.
Quick reference: base vs result
Reference table based on the example values; it is not your calculation result.
| Base | Area |
|---|---|
| 5 | 15 |
| 10 | 30 |
| 20 | 60 |
| 50 | 150 |
| 100 | 300 |
| 200 | 600 |
Frequently asked questions
What formula does this calculator use?
Area = b × h ÷ 2. Variables: b = base, h = height.
What do I need to enter?
You need base, height. Results update as you type.
What is an example result?
With the default inputs (base = 10, height = 6), the results are: area 30.
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