CalculateConverter.com

Right Triangle Calculator

Enter exactly 2 known values (must include at least 1 side) to calculate all other sides, angles, and the area.

Right Triangle Calculator

Enter any TWO known values (must include at least one side) to find the rest.

B A Side b Side a Side c

Right Triangle Rules:

  • Angles: Angle A + Angle B = 90°. The right angle is exactly 90°.
  • Sides: $a^2 + b^2 = c^2$ (Pythagorean Theorem).
  • Trigonometry: $\sin(A) = a/c$, $\cos(A) = b/c$, $\tan(A) = a/b$.