Circle Sector Calculator

Circle Sector Calculator lets you a circle sector takes angle / 360 of the full area and circumference. Enter your own values or load the worked example.

Method and calculation

A circle sector takes angle / 360 of the full area and circumference.

Inputs and settings

Circle Sector Calculator accepts Radius (minimum 0.000001); Angle (degrees) (minimum 0, maximum 360).

Worked example

Circle Sector Calculator example — Radius: 5; Angle (degrees): 60. Computed output: { "area": 13.08996938995747, "arcLength": 5.235987755982989 }

Output and limitations

Circle Sector Calculator: Use finite inputs. Results use double-precision arithmetic.

Technical references: JavaScript numerical operations

Circle Sector Calculator FAQs

Circle Sector Calculator applies the following rule to your input: A circle sector takes angle / 360 of the full area and circumference. The worked example on this page uses the same processor as the result button.
Circle Sector Calculator has these boundaries: Use finite inputs. Results use double-precision arithmetic. Start by checking the radius field against the units or format shown.
Circle Sector Calculator provides this sample: { "area": 13.08996938995747, "arcLength": 5.235987755982989 }. Use the sample button to reproduce it, then replace the inputs with your own values.