Triangle Area Calculator
Calculate the area and perimeter of a triangle using Heron's formula. Enter Side A, Side B and Side C to get Area, Perimeter and Semi-perimeter. Free, no signup — runs in
Parameters
Enter the required details below
Ready to Calculate
Enter your parameters and click calculate to see the results here.
How to Use
- Enter Side A.
- Enter Side B.
- Enter Side C.
- Click Calculate to see Area, Perimeter and Semi-perimeter.
- Check the result. Use Reset if you want to try different numbers.
About This Calculator
Calculate the area and perimeter of a triangle using Heron's formula. This tool is in the Math Calculators collection on Qalculators. Enter Side A, Side B and Side C to calculate Area, Perimeter and Semi-perimeter. Results stay in your browser unless you copy them.
Frequently asked questions
What does Triangle Area Calculator calculate?+
Calculate the area and perimeter of a triangle using Heron's formula. You enter Side A, Side B and Side C and receive Area, Perimeter and Semi-perimeter.
What information do I need for Triangle Area Calculator?+
You need Side A, Side B and Side C. Optional fields can stay at their defaults.
Is Triangle Area Calculator free to use?+
Yes. Triangle Area Calculator is free and does not require an account. The calculation runs in your browser.
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