Soil Volume Calculator

Calculate soil for raised beds, planters, and landscaping. Get volume in cubic feet, cubic yards, and bag counts.

🌱 Soil Volume Calculator

Results

Volume per Bed32.00 cu ft
Total Volume32.00 cu ft
Cubic Yards1.19 cu yd
1 cu ft Bags32 bags
2 cu ft Bags16 bags

πŸ’‘ How to Calculate Soil Volume

Soil volume = length Γ— width Γ— depth. For a 4Γ—8 ft raised bed, 12 inches deep: 4 Γ— 8 Γ— 1 = 32 cu ft (1.19 cu yd). Bags of soil are sold in 1 or 2 cu ft sizes. Bulk soil by the cubic yard is cheaper for large projects.

For raised beds, use a mix of 60% topsoil, 30% compost, and 10% perlite or vermiculite. Plan for 5–10% settling after the first watering β€” fill beds slightly higher than needed. Deeper beds (12–18 inches) support root vegetables; 6–8 inches is fine for herbs and lettuce.

A 4Γ—8 ft raised bed, 12" deep: 32 cu ft = 1.19 cu yd. That's 32 bags (1 cu ft) or 16 bags (2 cu ft). Bulk delivery is cheaper above 3 cu yd.

Soil Volume Calculator FAQ

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