What is the Triangle Area Calculator?
The triangle area calculator is a free online tool that helps you work out triangle area quickly and accurately. It uses the standard formula Area = 1/2 x base x height and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.
How to use this calculator
- Enter base and perpendicular height.
- See the area.
Formula used
Area = 1/2 x base x heightExplanation of each input
- Base (units) โ the base used in the calculation.
- Height (units) โ the height used in the calculation.
Understanding your result
- Area โ the calculated area in sq units.
Step-by-step calculation
For the example values base 10, height 6:
- Apply the formula:
Area = 1/2 x base x height - Substitute the values: 0.5x10x6
- Result: Area = 30
Worked example
| Inputs | base 10, height 6 |
|---|---|
| Working | 0.5x10x6 |
| Result | Area = 30 |
Benefits and practical uses
This calculator saves you time and reduces errors when you need triangle area. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.
Assumptions and limitations
- Height perpendicular to base.
Frequently asked questions
What height do I use?
The perpendicular distance from the base to the opposite vertex.
Disclaimer: Results are provided for general information. Please verify important figures independently.