Slabs & footings
Volume = length × width × depth. Depth is converted from inches to feet before cubic yards are calculated.
Free contractor tool
Concrete Calculator
Calculate cubic yards, premix bags and order overage for common concrete pours.
Slabs & footingsCubic yardsBag estimate
Concrete takeoff
Pick the pour shape, enter the finished dimensions, then add the overage you want to order.
Bag yields are planning estimates. Verify the yield printed on the concrete mix you are buying and the supplier's minimum ready-mix order.
Round columns
The column mode uses the volume of a cylinder from diameter and height.
Order a little extra
Forms, subgrade and dimensions are rarely perfect. Use the overage field to plan the amount you actually want to order.