Polygon Angle Calculator

Your details

Choose which value you already know. The calculator solves for everything else.
Must be a whole number of 3 or more.
Display angles in degrees or radians.
Polygon name
Hexagon

The standard geometric name for this polygon.

Number of sides6
Each interior angle120
Interior angle unitdeg
Each exterior angle60
Sum of interior angles720
Central angle60
Number of diagonals9
Interior angle120
Exterior angle60
Central angle60

Regular Hexagon: 6 sides, 120.00 deg per interior angle.

  • The regular hexagon is special: it tiles a plane perfectly, which is why honeybees use it.
  • Each interior angle of a regular hexagon is 120.0000 deg.
  • Each exterior angle is 60.0000 deg. All exterior angles of any convex polygon sum to exactly 360 degrees.
  • A hexagon has 9 diagonals - lines connecting non-adjacent vertices.

Next stepTry switching to "Give me one interior angle" mode to explore which polygon matches a known angle.

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