Plan with the numbers in view.
Practical explanations of material quantities, product dimensions and the limits of an online estimate.
How to calculate materials
A practical walkthrough of full-course block counts, buried rows, base gravel, drainage backfill, caps and supplier-ready quantities.
drainage: what to measure
Understand the quantities in a retaining wall drainage takeoff, including stone zones, hollow cores, pipe lengths, density and filter fabric.
When does a need geogrid?
Why wall height alone cannot determine geogrid requirements, what an approved reinforcement plan specifies, and how to estimate its material area.
block sizes and pallet counts
Compare illustrative retaining wall unit sizes and face coverage. Learn which actual dimensions, weights and package counts to confirm with the supplier.
Need the whole material list?
The main calculator combines face units, base, drainage, caps, pipe and an editable budget.
Open full calculator