doomath Calculator
Pythagorean Theorem Calculator
Find the hypotenuse of a right triangle from its legs.
InputsChange a value to recalculate instantly
ResultUpdates as you type
FORMULA & STEPSPythagorean Theorem Calculator — Mathematical Derivation & Steps
3 StepsSequential Calculation Breakdown
1
Identify Triangle Legs
Adjacent and opposite legs of the right triangle.
2
Square the Sides
Compute individual squared magnitudes.
3
Sum Squares and Take Square Root
Exact length of the hypotenuse.
λ DooMathWork with this calculation
Local · deterministic · optionalQuick mathNatural-language-style shortcuts for deterministic arithmetic.
Calculator guide
How to use the Pythagorean Theorem Calculator
Find the hypotenuse of a right triangle from its legs.
01Set inputsChoose values, units and assumptions.
02Apply the modelUse the stated mathematical relationship.
03Read the resultCheck the output against the assumptions before using it.
What this calculator does
Find the hypotenuse of a right triangle from its legs.
Formula & method
The result is calculated from the inputs and assumptions shown in the calculator.
Assumptions & notes
Review the inputs, units and assumptions before using the result for a real decision.