Triangle calculator

Calculate sides, angles, height and the area of a triangle with the triangle calculator.

Enter 3 values, of which at least one side. The triangle values will be calculated based on 3 input values. When more values are entered, they will be overwritten. A graphic representation of the triangle will be presented after the calculation has been made.

Triangle calculator

Side a:
Side b:
Side c (base):
Angle A (α):
Angle B (β):
Angle C (γ):
Height (hc):
Area:
Perimeter :
Enter 3 values, of which at least one side.

Triangle ABC (example)

The triangle calculator uses different formulas depending on which values are known.