Garden & outdoors
Mulch coverage calculator
See how far a bag or delivery will cover at your chosen depth.
A clear answer. Here’s how.
One litre is 0.001 m³. Coverage = volume ÷ layer depth, with centimetres converted to metres. Also calculates the volume needed for the target area. Assumes a uniform layer; compaction and material losses are excluded.
See a worked example
Worked example
A fixed demonstration, separate from the values you enter above.
- Mulch available (litres)
- 100
- Layer depth (cm)
- 5
- Target area (m²)
- 10
Example result
- Available coverage
- 2 m²
- Litres for target area
- 500
- Volume difference (litres)
- -400