Pythagorean Theorem Tools

Standard Calculator

Find hypotenuse or missing side

Advanced Calculator

With step-by-step solutions

Pythagorean Triples

Generate and verify triples

Distance Calculator

Find distance between points

Reverse Calculator

Find side from hypotenuse

Please enter a valid positive number
Please enter a valid positive number
Please enter a valid positive number

Leave one field empty to calculate it

Leave one field empty to calculate it with detailed steps

Triangle Visualization

Results

Side A (a)

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Side B (b)

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Hypotenuse (c)

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Triangle Type

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Calculation Steps

Calculation History

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Pythagorean Theorem Tips

  • The theorem only applies to right triangles
  • The hypotenuse is always the longest side
  • Formula: a² + b² = c²
  • Common Pythagorean triple: 3-4-5
  • You can find any side if you know the other two

Quick Examples

3-4-5 Triangle
Classic Pythagorean triple
5-12-13 Triangle
Another common triple
8-15-17 Triangle
Less common but valid triple
7-24-25 Triangle
Another Pythagorean triple
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