CALC RESOURCE

x

Calculation options:

Number of digits:
10x notation for big numbers:

Properties of a Semi-Circular Area

This tool calculates the basic geometric properties of a semi-circular area. Enter the shape dimensions R or D below. The calculated results will have the same units as your input. Please use consistent units for any input.

R =
...or
D =
Geometric properties:
Radius =
Diameter =
Area =
Perimeter =
Arc length =
yc =

Definitions

Geometry

The area A, the perimeter P and the arc length L of a semi-circular area, with radius R, can be found with these formulas:

The centroid (center of gravity) of the semi-circular area is located at a distance from the diameter that defines its border, given by the formula: