Concrete Border Calculator
Calculate concrete, forms, and materials needed for garden borders and edging projects. Estimate costs and quantities for concrete borders.
Step 1: Border Dimensions
Concrete Border Tips
Standard concrete borders are 4-6 inches wide and 3-4 inches deep. Use expansion joints every 4-6 feet to prevent cracking.
Step 2: Materials & Cost
Material Estimates
One 80lb bag yields ~0.6 cubic feet. Standard forms: 2×4 lumber. Reinforcement: rebar or wire mesh.
Concrete Border Materials Estimate
Summary
Materials List
Cost Breakdown
Total Estimated Cost
$162.50
25 bags of concrete required
Concrete Bags
25 bags
Total Concrete
15.0 cu ft
Forming Lumber
100 feet
Border Length
50 feet
Complete Materials List
| Material | Quantity | Unit Price | Total Cost | Notes |
|---|
Cost Breakdown by Material
Concrete Calculation Formula
Concrete Volume = Length × Width × Depth
Calculate total volume in cubic feet, then convert to bags (1 bag = 0.6 cu ft). Add waste factor, then calculate form lumber (2× length for both sides).
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