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Pythagorean Theorem Calculator

Pythagorean Theorem: Use one consistent length unit for all dimensions.

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Pythagorean Theorem Calculator for United States

US · 12,345.67US customary measurementsRoad distance: miles

United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.

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Your details

Results update instantly as you change the inputs.

Hypotenuse

5

United States · calculated from your inputs

Leg a3
Leg b4
Angle A (degrees)36.87
Angle B (degrees)53.13
Area6
Perimeter12
Your calculation, beautifully packaged.Download a report with this result, your inputs, the formula, and assumptions.

How this result was calculated

  1. a²+b²=c²; angle A=asin(a/c); area=ab/2.
  2. Country setup: United States. Displayed measurements are converted to the formula's base units internally.

Assumption: Use one consistent length unit for all dimensions. Results use its square or cube for area or volume. United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.

Calculation version 1.0.0 · Support state: generic

Formula and method

a²+b²=c²; angle A=asin(a/c); area=ab/2.

This calculation uses the values you enter. It runs in your browser and does not request a location or account.

Worked example

Legs 3 and 4 give hypotenuse 5 and area 6.

Questions people ask

Which method does this tool use?

a²+b²=c²; angle A=asin(a/c); area=ab/2.

What should I check before using the result?

Use one consistent length unit for all dimensions. Results use its square or cube for area or volume.