ConcreteCalculatorHQ

Concrete Volume Calculator

Get cubic yards and cubic feet from length, width, and thickness.

Calculator inputs

Enter length, width, and thickness to calculate concrete volume.

Concrete Volume
1.23 yd3
33.33 cubic feet

How to use this calculator

  1. 1. Enter dimensions
    Measure length and width in feet, then enter slab thickness in inches.
  2. 2. Click Calculate
    Get cubic yards and cubic feet in the result card.
  3. 3. Add waste
    Use the main concrete calculator when you need bag counts, weight, or ready-mix loads.

Quick checks

10 x 10 slab at 4 inches
About 1.23 cubic yards.
20 x 20 slab at 4 inches
About 4.94 cubic yards.