Math
Pythagorean Theorem Calculator
Find the hypotenuse of a right triangle from its two perpendicular sides.
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How this calculation works
Find the hypotenuse of a right triangle from its two perpendicular sides. Enter your values, select Calculate, then review the result. You can change any value and calculate again.
Formula used
c = √(a² + b²)
Good to know
Results are estimates for informational purposes.
Example calculation
√(3² + 4²) = 5
How to use this calculator
- Enter your values, select Calculate, then review the result. You can change any value and calculate again.
- Check units and time periods before comparing two results.
- Change one input at a time to understand its effect.
Frequently asked questions
What does the Pythagorean Theorem Calculator calculate?
Find the hypotenuse of a right triangle from its two perpendicular sides. The result is calculated from the values you enter and the formula shown on this page.
Which assumptions does the Pythagorean Theorem Calculator use?
It applies c = √(a² + b²). Values, fees, rules or timing not represented by an input are not added automatically.