Free CalculatorWiser tool

Regular Polygon Area Calculator

Calculate regular polygon area ns²/[4tan(π/n)].

How to use the Regular Polygon Area Calculator

Calculate regular polygon area ns²/[4tan(π/n)].

Step-by-step instructions

  1. Enter or select Number of sides.
  2. Enter or select Side length.
  3. Tap Calculate.
  4. Review the result shown directly below the calculator.

What the inputs mean

Number of sides
Enter the value requested by this field label.
Side length
Enter the measurement shown, using consistent units.

Formula or calculation method

The calculator applies the standard mathematical relationship for the labeled inputs and returns the computed result automatically.

Example

Try entering realistic values for Number of sides and Side length, then tap Calculate to see how the result changes.

How to understand the result

Use the result as an estimate based on the values you entered. For planning decisions, double-check that the input units and assumptions match your real situation.

Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.