Determine the width length and depth of the area you want to concrete Multiply width by length this Square Footage Convert depth from inches into feet by dividing by 12 Now multiply the square footage width x length by the converted depth depth inches 12. Simply enter in the desired width length and concrete thickness. The formula for cubic yards is this.
Learning how to calculate the amount of concrete needed is easy when using our concrete formula and online concrete calculator.
CONCRETE CALCULATOR - How Much Do I Need. You get 13 cu. Convert the thickness from inches to feet. The best way to calculate how much concrete youre going to need in cubic yards is to do the following.