Compost Calculator
Calculate compost quantities for beds, borders and planting areas.
Compost for a 3m by 1m area at 50mm
For an area measuring 3 metres by 1 metres at 50mm deep, this estimate includes compost volume and bag equivalents.
- Compost volume0.15 m³
- Bulk bags1
- 50L bags4
Results - Compost Calculator
- Compost volume0.15 m³
- Bulk bags1
- 50L bags4
How this compost calculator works
It converts your planting area and mulch depth into cubic metres, then suggests bulk bags and bagged compost quantities.
Popular sizes
Popular pre-filled calculator pages.
Pre-filled calculator pages help visitors jump straight to a useful estimate and then refine the result if needed.