Mulch and Topsoil Calculator

Estimate mulch or topsoil volume for a rectangular bed.

Your inputs

Enter your information and select Calculate to see the result.

The rectangular-bed volume is converted from cubic feet to cubic yards.

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

A 20 ft by 10 ft bed at 3 in deep needs about 1.852 cubic yards.

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.