Mulch Calculator
Estimates the volume of mulch needed for a garden bed.
Lilu Baba's Mulch Calculator works out how much mulch to buy for a garden bed based on its area and your target depth.
How to use this calculator
- Enter the garden bed's length and width.
- Enter your desired mulch depth.
- Mulch volume needed updates instantly.
Mulch Volume Needed (m³)
—
Approx. Weight (tonnes)
—
FAQ
Mulch Calculator — frequently asked questions
A common recommendation is 5-10cm — deep enough to suppress weeds without smothering plant roots.
Most commonly by volume (cubic metres or bags) — this calculator gives both for convenience.