🧱
Retaining Wall Calculator
Calculate retaining wall blocks, caps, drainage gravel, and face area
Retaining Wall Standard: Wall face area is calculated as $\text{Length} \times \text{Height}$. Standard segmental retaining wall blocks require approximately 4.5 blocks per square foot. Includes a 5% waste allowance.
Wall Dimensions & Specifications
Calculation Results
⚠️ Retaining walls over 3 to 4 feet in height typically require engineered designs, geogrid reinforcement, and professional permits. Always include clean crushed gravel backfill behind the wall for proper drainage.