Retaining Wall Calculator
Calculate blocks, cap units, backfill gravel, and base material needed for a segmental retaining wall by height and length.
Total length of the retaining wall in feet
Exposed height of the wall. Walls over 4 ft typically require engineering.
Height of each block. Standard is 8 inches.
Face length of each block. Standard is 16 inches.
Front-to-back depth. 12 inches is standard for retaining walls.
Cap blocks are flat finishing pieces that sit on top of the last course for a clean look
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