About Retaining Wall Calculator
The Retaining Wall Calculator estimates materials for simple landscape walls (under 3-4 feet high) used for garden terraces or leveling yards.
Block Sizing
Common garden wall blocks usually have a face area of about 0.33 to 0.75 sq ft.
Popular size: 12" wide x 4" high.
Buried Course
Important: The first course (row) of blocks should always be buried underground for stability. The calculator includes an option to account for this sub-grade row.
How to Use
Enter the Length and exposed Height of the wall. Enter the Block Dimensions. The tool outputs the total blocks required.