Plan multiple raised garden beds — calculate total soil volume, materials cost, and number of standard soil bags needed.
🌻 Garden Bed Calculator
Soil per Bed (cu ft)
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Total Cubic Yards
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1.5cu ft Bags Total
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💡 Pro Tip
Line the bottom of your raised bed with hardware cloth (1/2-inch mesh). This keeps burrowing pests like moles and voles from destroying root crops while still allowing drainage.
Frequently Asked Questions
Q: What size should a raised garden bed be?
The standard raised bed is 4 feet wide (reachable from both sides) and 8–12 feet long. Depth should be at least 6 inches for shallow-rooted crops and 12 inches for vegetables like tomatoes and carrots.
Q: How much does it cost to build a raised garden bed?
Materials for a 4x8 raised bed frame: $30–$80 (lumber, screws). Soil fill: $40–$100 depending on local pricing. Total startup cost: $70–$180 per bed.

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