HOW IT IS CALCULATED
Estimate retaining-wall blocks
Compare wall face area with the face area of one block and add waste.
Instant resultClear formulaRuns locally
01Values
02wall area ÷ block face area × (1 + waste)
03Result
The result is rounded up to whole blocks.
This estimates blocks by visible face area
Structural design, buried courses and reinforcement requirements are outside this geometric estimate.
02
In short
What logic does the calculator use?
wall area ÷ block face area × (1 + waste)
Example?
The result is rounded up to whole blocks.