Garage Woodworks · Measurement tools
Angle & Side Calculator
Find the missing angle or side of a right triangle—quickly and accurately.
Sine Math
Enter any two measurements. We’ll calculate the missing one.
Tangent Math
Enter any two measurements. We’ll calculate the missing one.
Pythagorean Theorem
Enter the adjacent and opposite sides to find the hypotenuse.
Right-triangle reference
Quick tip: These tools calculate a right triangle. Side lengths must be positive, and angle A must be between 0° and 90°. Side results are rounded to three decimals; angle results to four.