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Hexagon Calculator.

Calculate perimeter and area of a regular hexagon.

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Set your values

Results update as you type.

Result: perimeter: 30.000000 · area: 64.951905

Result

perimeter: 30.000000 · area: 64.951905

Use Cases

Math homework and geometry problems

Quickly verify your manual calculations for regular hexagon perimeter and area, saving time and reducing errors.

Example: Check the area of a hexagon with side length 6 units.

Design and construction planning

Estimate material needs or space requirements for hexagonal tiles, nuts, or other objects by calculating area and perimeter.

Example: Find the area of a hexagonal tile with side length 2 inches.

Frequently Asked Questions

How do I calculate the perimeter of a regular hexagon?
Multiply the side length by 6. For example, if the side length is 5 units, the perimeter is 30 units. This calculator does that automatically.
What is the formula for the area of a regular hexagon?
The area is (3√3/2) × side². For a side length of 4 units, the area is approximately 41.57 square units. The calculator uses this formula.
Can I use this calculator for irregular hexagons?
No, this calculator is designed only for regular hexagons, where all sides and angles are equal. For irregular hexagons, you would need different calculations.

Tips & Common Mistakes

Tips

  • Ensure the side length is positive; negative values are not valid for a real hexagon.
  • Use consistent units for side length to get area in square units and perimeter in the same unit.
  • For quick estimates, remember that the perimeter is simply 6 times the side length.
  • If you need the apothem or radius, note that this calculator only provides perimeter and area.

Common Mistakes to Avoid

  • Using the side length as the radius or apothem, which are different measurements in a regular hexagon.
  • Forgetting to square the side length when calculating area, leading to an incorrect result.
  • Assuming the calculator works for irregular hexagons; it only works for regular ones.

Last updated: August 13, 2026