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Concrete Service
What equation should I use to find out how much concrete I need?

Then, you can calculate the amount of concrete you need for the job you want. How to do? Enter the depth, width and length of your concrete slab, footing and the diameter of column to calculate the number of cubic yards and concrete bags needed to complete your project.


Essentially you are solving for volume and then converting to cubic yards. For concrete, the formula for volume is as follows: length x width x thickness.

To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield.


Slab Dimensions
inches
Standard concrete thickness is 4 inches. Increase this to six inches to better handle heavy loads.
feet feet

Results:

Concrete:
Yards:
How many pre-mix bags:
40# Bags:
60# Bags:
80# Bags:


Calculator





Factors Influencing the Cost of a Patio:

Patio size: Typically the price per square foot goes down as the patio gets bigger. Alternatively, for small patios, some contractors charge a minimum total rather than a per square foot price.

Property condition: If you need grading, demolition or other site work, the price will go up. Also, if your property can’t be accessed with the necessary equipment, requiring a pump or additional labor, costs will rise.

Looking for a quality and affordable constructor for your next project?