Free · Math · Geometry

Right Triangle Calculator

Solve all sides, acute angles, area, and perimeter from two right-triangle legs.

  • Checked formula
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Calculator inputs

Enter your values

Result

Your calculation

Hypotenuse
13
Angles
22.61986°, 67.38014°, 90°
Area
30
Perimeter
30

How to use this calculator

  1. Enter the known values using the units shown.
  2. Choose the calculation you want when more than one method is available.
  3. Calculate, then review the result and the worked formula together.

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