www.quikrete.com/calculator/main.asp

... calculator to help you determine the number of bags of QUIKRETE® Concrete
Mix, Mortar Mix, ... Enter the size of the slab you want to build in square feet.

www.sakrete.com/products/calculators.cfm

Calculate how much of a Sakrete product you need.

www.sakrete.com/mobile/calculators.cfm

View our convenient easy to use mobile calculator on your phone! Calculate
concrete bags, Post Settings, Flo-Coat, Filling a Round Hole, and much more!

www.concretenetwork.com/concrete/howmuch/

So it is important to check a variety of spots on your footing and get an average
size. Then use the calculator to figure the amount of concrete needed.

www.cemexusa.com/ProductsServices/BlockCalculator.aspx

The Concrete Block calculators provide guidance to determine building materials
required for construction ... Mortar bags needed for block count ... Block Size 6"

www.calculator.net/concrete-calculator.html

Several calculators to estimate the amount of concrete you will need based on ...
be used to estimate the volume and weight of the concrete you will need for the
size, ... and you can purchase pre-mixed concrete in 60-pound or 80-pound bags
.

www.schlosserconcrete.com/Concrete-Calculator.html

Ready-mixed concrete is sold by volume measured in cubic yards. If you can
determine the area of your concrete project (length x width for rectangular
projects) ...

www.reference.com/home-garden/many-bags-concrete-cubic-yard-a3ff3c2e7b4184d7

Each 80-pound bag of concrete covers about 0.6 cubic feet. ... Bag Concrete
Calculator · Calculate Concrete by Bag Size · Cement Bags Calculator · Concrete
...

www.inchcalculator.com/concrete-calculator/

The concrete calculator will determine the cubic yardage and the number of pre-
mixed bags of ... Calculate the concrete yards or number of concrete bags
needed to pour a slab, patio, footing, .... Convert dimensions to feet if they aren't
in feet.

www.inchcalculator.com/post-hole-concrete-calculator/

Calculate how many yards of concrete or how many bags of concrete are needed
... If there are multiple different size post holes that need to be filled, calculate ...