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Topsoil Calculator
Work out how much topsoil you need for a garden bed, raised bed or new lawn, in cubic yards, tons and bags.
Most beds and lawns want 3–4 inches of good topsoil.
Enter your measurements
Area shape
Length (ft)
Width (ft)
Depth / thickness (in)
How many areas like this?
Extra for waste / spillage (%)
Bag size
Topsoil you need
1.23cubic yards
33.3 ft³ · 100 ft² at 4.0" deep
💡 A cubic yard of topsoil covers about 100 sq ft at 3 inches deep.
47
0.75 ft³ bags
incl. waste
$141
Est. material cost
@ ~$3/bag
1.36 tons
Weight
if bulk
- Cubic feet needed
- 33.3 ft³
- Cubic yards needed
- 1.23 yd³
- Order with 5% waste
- 1.30 yd³
- 0.75 ft³ bags to buy
- 47
- 1.5 ft³ bags to buy
- 24
- Bulk weight
- 1.36 tons
Frequently asked questions
How many bags of topsoil in a cubic yard?
It takes about 36 of the 0.75 cubic foot bags, or 18 of the 1.5 cubic foot bags, to equal one bulk cubic yard.