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`V = 1/2 pi r^2 D`

Enter a value for all fields

The **Cubic Yards in a Semicircle Concrete Slab**calculator computes the volume of a semicircular shaped concrete slab based on the radius (r) and the depth (d).

**INSTRUCTIONS:** Choose units and enter the following:

- (
**D**) Depth of Semi-circle slab - (
**r**) Radius of the semi-circle slab

**Semi-circle Volume (V)**: The calculator returns the volume in cubic yards. However, this can be automatically converted to compatible units via the pull-down menu.

The formula for the volume of a semicircle is:

where:

- V is the volume of the semicircle
- D is the depth of the semicircle
- r is the radius of the semicircle