Welcome to the concrete calculator. It will help you calculate the number of bags of concrete required for your path, slab or post holes.
Please select your state
What are the dimensions of the path, slab or post holes you are building?
Concrete Bag
Concrete Bag
Concrete Bag
Concrete Bag
Length (mm)
Please provide a valid value
Width (mm)
Please provide a valid value
Depth (mm)
Please provide a valid value
How many paths, slabs or post holes are you building?
Concrete Bag
Concrete Bag
Concrete Bag
Concrete Bag
Quantity
Please provide a valid value
Concrete Bag
Concrete Bag
Concrete Bag
Concrete Bag
You will need the following:
m3 Concrete 88888
20 kg bags 88888

Thank you for using the concrete calculator. Please download these brochures if you would like more information about Australian BuildersDingoEasy MixWestbuild products or click on the link below to take you to the Bunnings website.