Concrete Volume Calculator
Wet concrete volume needed for a rectangular slab or footing, with an allowance for wastage and spillage.
V = L × W × T × (1 + waste %)
- L, W = plan dimensions
- T = thickness
- waste = allowance, typically 5–10 %
Result
Enter values and press Calculate.
V = L × W × T × (1 + waste %)
For educational and general reference only. Results depend on the accuracy of the values entered and are rounded to the selected precision. Verify critical designs with a qualified engineer and applicable codes. Full disclaimer