GEOMETRY & TRIGONOMETRY

30-60-90 Triangle Calculator

Calculate accurately with clear inputs and an easy-to-read result. Built for global users with no hard-coded currency assumptions.

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30-60-90 Triangle Calculator

Enter the values below and select Calculate.

Result

Enter values and calculate.
Formula/results are computed in your browser. Invalid geometric configurations are rejected rather than producing misleading answers.

How to use this calculator

What to enter

Enter or select the following as requested: Short Leg. Follow the units, valid ranges, examples, and options displayed beside each field.

What the result means

The result is the geometric quantity derived from the triangle dimensions, side lengths, angles, or relationship requested by this tool. Check whether angles are in degrees or radians and whether the given measurements satisfy the stated triangle conditions.

When to use it

Use this to solve a triangle or verify a geometric relationship. Keep units consistent and check the diagram and assumptions shown by the calculator.