Raised bed soil calculator
Soil for raised beds: cubic feet, yards and bag counts.
Inputs
The formula
cu ft = L × W × (depth ÷ 12). Common bag size: 1.5 cu ft.
Worked example
4 × 8 ft × 12" = 32 cu ft = 22 bags of 1.5 cu ft.
Frequently asked
›Best mix?
Classic 'Mel's Mix': 1/3 peat, 1/3 compost, 1/3 vermiculite.
›How deep for veggies?
12" for most vegetables; 18"+ for root crops.