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Free raised bed soil calculator for garden beds, planters, and container gardens. Calculate soil requirements, amendments, volume, weight, and cost estimates for garden soil, compost, and organic amendments. Our calculator provides accurate measurements for efficient garden planning and budgeting.
Last updated: February 2, 2026
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Bed Volume
32 cu ft
Soil Needed
0.83 cu yd
$42 per cubic yard
Important Notes:
Cost per cu yd
$45
Best for: General gardening, most vegetables, flowers
Cost per cu yd
$55
Best for: Container gardens, potted plants, herbs
Cost per cu yd
$35
Best for: Soil amendments, nutrient boost, organic gardening
Cost per cu yd
$40
Best for: Base material, natural gardening, large areas
Cost per cu yd
$50
Best for: Raised beds, optimal growing conditions, balanced mix
Cost per cu yd
$60
Best for: Organic gardening, chemical-free growing, premium quality
For an 8' × 4' bed with 12" height using garden soil with compost:
Soil Needed
0.83 cu yd
Total Cost
$50
Our raised bed soil calculator uses standard gardening formulas and material densities to provide accurate estimates for garden beds, planters, and container gardens. The calculation considers bed dimensions, soil type, amendment ratios, and material coststo determine the exact volume, weight, and cost requirements for your gardening project.
Bed Volume = Length × Width × Height (cubic feet)Soil Needed = Bed Volume × Soil Ratio ÷ 27Amendment Needed = Bed Volume × Amendment Ratio ÷ 27Total Cost = (Soil × Soil Cost) + (Amendment × Amendment Cost)This formula calculates bed volume, determines soil and amendment quantities based on ratios, and provides cost estimates. The calculation ensures accurate material ordering and budgeting for your raised bed gardening project.
Shows bed dimensions and soil layers
Choosing the right soil depends on your plant requirements, growing conditions, budget, and gardening preferences. Different soil types have varying properties including drainage, nutrient content, weight, and cost. Our calculator helps you understand the implications of each soil choice.
Need help with other outdoor projects? Check out our sand calculator and crushed stone calculator.
Get Custom Calculator for Your PlatformResult: 0.83 cu yd soil, 0.36 cu yd compost, $50 total cost, 22 bags needed
Includes compost amendment for nutrient-rich growing medium and delivery estimates for planning purposes.
4' × 2' bed with 8" potting soil depth
Result: 0.20 cu yd, $11 cost estimate
6' × 3' bed with 10" organic soil depth
Result: 0.56 cu yd, $34 cost estimate
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