Not sure how much material you'll need? Use one of our simple calculators.
A simple form to calculate how many yards of material (such as bark mulch, soil, concrete, gravel, etc) are needed to cover square feet to a given depth in inches.
We have three calculators - rectangular, circular and triangular areas. Just enter the length and width in feet and depth in inches; the calculator returns yards of material needed, rounded up to the nearest whole number.
For rectangular areas:
For circular areas:
For triangular areas: