Concrete Block Calculator
Identical planning math to the standard block calculator.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
Step 3
How to use this calculator
Net face area of wall.
What the math is doing
Blocks ≈ sf × 1.125 with waste.
Frequently asked questions
8 vs 6 inch?
Face area method still applies for counts.
Split face?
Same math, different aesthetics.
Paint?
Surface prep is separate.
Anchor bolts?
Count from hardware schedule.