Retaining Wall Calculator
Calculate materials for a small retaining wall including blocks and drainage backfill.
Results - Retaining Wall Calculator
Enter your measurements and press calculate.
How this retaining wall calculator works
It estimates wall units and mortar from face area, then adds a practical drainage gravel backfill volume for a small retaining wall build.
Popular sizes
Popular pre-filled calculator pages.
Pre-filled calculator pages help visitors jump straight to a useful estimate and then refine the result if needed.