Raised Garden Bed Calculator
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Formula
Volume = Length × Width × Depth (cu ft). Bags = Volume ÷ 1.5. Cubic Yards = Volume ÷ 27.
Frequently Asked Questions
How deep should a raised garden bed be?
Most vegetables need at least 6-12 inches of soil depth. Root vegetables like carrots may need 12-18 inches.
What size bag of soil should I buy?
Standard bags of garden soil or potting mix are typically 1.5 or 2 cubic feet. Bulk delivery is more economical for large beds.