Garden Soil Calculator
Cubic yards of soil or compost for a bed.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Soil needed
- 2.37 cubic yards
- In cubic feet
- 64
- Bags required
- 43
- Approximate weight
- 2,560 lb
- With 10% settling allowance
- 2.607 cu yd
Working
- 1Volume = 8 × 4 × 1 × 2 = 64 cu ft
Quick answer
Soil volume equals length × width × depth; divide cubic feet by 27 for cubic yards.
Cubic yards = L × W × D (ft) ÷ 27
How to use the Garden Soil Calculator
- 1Measure the bed length and width in feet.
- 2Enter the fill depth in inches.
- 3Set how many identical beds you're filling.
Frequently asked questions
What mix should I use for raised beds?
A common blend is 60% topsoil, 30% compost and 10% aeration material like perlite or coarse sand.
Why order 10% extra?
Bulk soil settles and compacts after watering, typically losing an inch of depth in the first month.