Concrete Volume Calculator
Pure geometry for any rectangular concrete prism.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
Step 3
How to use this calculator
Enter three perpendicular inside dimensions.
What the math is doing
Volume = length × width × depth.
Frequently asked questions
Circular?
Use the column or sonotube calculator.
Irregular?
Split into boxes and sum.
Metric forms?
Use the unit toggle.
Underwater?
Special mix designs apply.