Calculator
Concrete Calculator
Calculate concrete needed for slabs, footings, columns, and steps. Get results in cubic yards, bags, and more.
⚙️Settings
Units:
%
Section 1 — Slab (Rectangle)
Enter dimensions above to calculate concrete needed.
🧱Concrete Mix Guide
2500 PSIDriveways, sidewalks, slabs on grade (light residential)
3000 PSIMost residential foundation walls, footings, slabs
4000 PSICommercial buildings, structural columns, heavy traffic
5000+ PSIHigh-rise buildings, bridges, marine structures