Interactive raised bed calculator
Enter bed size. Get soil volume, bags, cost, and a shopping list.
Default example: one 4×8×12 in bed, 10% settling, and 2 ft³ bags. Results update automatically as inputs change.
More planners: mix, containers, spacing, top-off, depth, cost, multi-bed, shapes
Raised Bed Soil & Planting Calculator
40-Qt Soil Bag Calculator
Convert cubic feet or raised bed volume into 40 dry quart soil bags.
Preset: soil volume to bag count
Formula: 40 dry quarts ≈ 1.56 ft³; bags = ceil(required ft³ ÷ 1.56)
Worked example: A 40 dry quart bag is about 1.56 ft³.
Adjust the live inputs above before copying the shopping list, printing the result, or buying material.
What to verify
- Using pounds as a volume measurement.
- Forgetting that bag count must round up.
- Mixing liters, dry quarts, gallons, and cubic feet without conversion.
Page-specific notes
- Dry quarts and liquid quarts are not identical.
- Package labels are the source of truth.
Disclaimer
BedSoil results are planning estimates for buying and mixing soil. They are not agricultural, engineering, pest, disease, fertilizer, or crop-yield advice. Check product labels, local material quality, drainage, bed construction, climate, and crop variety before purchasing materials.