Concrete Volume Calculator

How this calculator works

Cubic feet are length times width times depth in feet; divide by 27 for cubic yards.

Change one assumption at a time to see which inputs have the greatest effect on the estimate.

Worked example

A 10 ft by 10 ft slab that is 4 in deep needs about 1.235 cubic yards.

Limitations

This estimate uses the dimensions and assumptions you enter. Confirm product specifications and local requirements before ordering materials.

Review this educational estimate against current quotes, official information, and your own budget before making a financial decision.