Soil Bag Calculator

How it works

Area × depth in feet gives cubic feet; divide by bag size and round up.

Simple example

120 sq ft at 6 in deep needs 60 cu ft or 40 bags at 1.5 cu ft.

Common question

Will soil compact?

Yes. Consider the finished grade and settling.

This is a planning estimate. Check product instructions, dimensions and site conditions before purchasing or building.