Retaining Wall Calculator
Calculate materials, cost, and construction details for your retaining wall project. Get accurate estimates for blocks, gravel, labor, and more based on your specific dimensions and material choices.
Step 1: Wall Dimensions
Wall Height Guidelines
For walls over 4 feet tall, consult a structural engineer. Most DIY retaining walls should be under 4 feet. Higher walls require proper engineering and may need building permits.
Step 2: Materials & Construction
Proper Drainage is Essential
Retaining walls require proper drainage to prevent water pressure buildup behind the wall. Always include drainage gravel and perforated pipe for walls over 2 feet tall.
Retaining Wall Estimate
Estimated Total Cost
Materials Breakdown
| Material | Quantity | Unit Cost | Total Cost |
|---|
Materials Note
These estimates are based on standard construction practices. Actual requirements may vary based on soil conditions, local codes, and specific product availability. Always add 10-15% extra material for waste and cuts.
Cost Breakdown by Material Type
Cost Factors
Factors Affecting Retaining Wall Cost:
1. Material Type: Concrete blocks are most economical, natural stone is premium
2. Wall Height: Higher walls require more engineering and materials
3. Site Accessibility: Difficult access increases labor costs
4. Soil Conditions: Rocky or unstable soil requires special preparation
5. Local Labor Rates: Vary significantly by region
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