GEOMETRY & TRIGONOMETRY

Regular Polygon Perimeter 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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Regular Polygon Perimeter 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: Number of Sides; Side Length. Follow the units, valid ranges, examples, and options displayed beside each field.

What the result means

The result is the length around the shape or along the specified curve. Check the output unit and whether the calculator expects radius, diameter, side lengths, or angles.

When to use it

Use this to estimate boundary length, edging, fencing, or the length of a geometric curve.