Concrete & Masonry Calculators

Free concrete slab calculator. Enter slab dimensions and bag size to find out how many cubic metres of concrete you need and how many premix bags to buy.

Calculate how many bags of concrete you need for fence or deck post holes. Enter hole diameter, depth, and the number of posts to get an instant bag count.

Calculate concrete volume and bag count for strip footings or pad foundations. Enter footing length, width, and depth to get an instant result.

Calculate how many cinder blocks (concrete blocks) and mortar bags you need. Enter wall dimensions and block size to get an accurate count.

Calculate how many bags of mortar you need for a brick or block wall. Enter wall dimensions and bag coverage to get an accurate bag count.