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⬔ Hexagon Area Calculator

Enter the side length of a regular hexagon to instantly calculate its area, perimeter, and apothem.

What this calculator does

This tool finds the area, perimeter, and apothem of a regular hexagon (a six-sided polygon with all sides and angles equal) from a single measurement: the length of one side.

The formula

For a regular hexagon with side length s, the area is A = (3√3 / 2) Ɨ s². This comes from splitting the hexagon into six equal equilateral triangles and adding up their areas. The perimeter is simply 6 Ɨ s, and the apothem (the distance from the center to the middle of a side) is (s√3) / 2.

  • Works for any unit of length – just keep your input consistent.
  • Only valid for regular hexagons, where every side and angle is equal.

This tool is intended for general math, design, and educational planning purposes.

Last reviewed August 2026