Soil and mulch calculator

Enter your bed size to get the soil, compost or mulch volume and number of bags.

Length Width Depth Bag size

Volume needed—

Bags—

How is it calculated?

Volume = length × width × depth. Vegetable beds need 8–12 in of soil, mulch 2–3 in. Soil settles after watering, so about 10% extra is added.

Raised bed soonLumber and soil amount

Plant spacing soonHow many plants fit