Concrete Calculator

Calculate concrete volume for slabs, footings, and columns.

Slab Dimensions

Length

Unit

Width

Depth/Thickness

Depth Unit

Recommended Slab Thickness

Sidewalks & Patios4 inches

Driveways (Cars)4-5 inches

Driveways (Heavy vehicles)5-6 inches

Garage Floors4-6 inches

Foundation Slabs6-8 inches

Concrete Volume

Cubic Yards1.23

Cubic Feet33.33

Cubic Meters0.94

Bags Needed (with 10% extra)

40lb Bags123

60lb Bags82

80lb Bags62

Cost Estimate

Ready-Mix Delivery$216