Concrete Calculator
Calculate how much concrete you need - get cubic yards, cubic feet, and bag counts for any shape
🏗️ Concrete Shape & Dimensions
Typical: 4" for patios, 6" for driveways
$
$
🏗️ Concrete Required
1.36
Cubic Yards
incl. 10% margin
33.33
Cubic Feet
exact volume
1.04
Cubic Meters
incl. 10% margin
36.67
Total Cu Ft
with 10% margin
82
60 lb Bags
0.45 cu ft each
$533.00
62
80 lb Bags
0.60 cu ft each
$496.00
💡 Pro tip: For jobs over 1 cubic yard, ordering ready-mix concrete is usually more cost-effective than bagged concrete.
💰 Cost Comparison
Using 60 lb bags
$533.00
82 bags x $6.50
Using 80 lb bags
$496.00
62 bags x $8.00
* Material cost only. Does not include mixing equipment, reinforcement (rebar/mesh), or labor.
🏗️ Concrete Reference Guide
- • Always add 10% extra to account for waste and over-excavation
- • Patios/sidewalks: 4 inches thick minimum
- • Driveways: 6 inches thick minimum
- • Footings: Must extend below the frost line
- • 60 lb bag = 0.45 cubic feet of concrete
- • 80 lb bag = 0.60 cubic feet of concrete
- • 1 cubic yard = 27 cubic feet
- • Ready-mix concrete is sold by the cubic yard (min order often 1 yard)