Retaining Wall Calculator

Calculate retaining wall material quantities, concrete volume, rebar requirements, and stability factors.

Project Name *

What would you like to calculate? *

Wall Height (ft) *

Height of the wall

Wall Length (ft) *

Total wall length

Wall Thickness (in) *

Thickness of the wall

Base Width (ft) *

Width of the base/footing

Base Thickness (in) *

Thickness of the base

Soil Density (pcf) *

Soil weight per cubic foot

Concrete Strength (psi) *

🏗️ Retaining Wall Formulas:
Concrete Volume: (Wall Volume + Base Volume) × 1.1 (waste) • Active Pressure: Pa = ½ × γ × H² × Ka • Overturning Moment: Mo = Pa × (H/3) • Resisting Moment: Mr = W × (B/2)

┌─────────────────┐ │ │ │ RETAINING │ │ WALL │ │ │ │ │ ┌─────┴─────────────────┴─────┐ │ BASE/FOOTING │ └─────────────────────────────┘ Soil Backfill → 🌍🌍🌍

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Retaining Wall Analysis

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Step-by-Step Calculation

Detailed wall analysis

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Concrete Volume

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cu yd

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Wall Area

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sq ft

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Stability

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Status

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Rebar Requirements

Recommended rebar placement

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Formula Reference

Retaining wall formulas

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Retaining Wall Tips

Building a strong retaining wall

🏗️ Structural Disclaimer: Retaining wall calculations are estimates. Actual design requires professional engineering review. Results are for educational purposes.