Brick Calculator - Estimate Bricks and Mortar - Inch ...
Most mortar products require one bag of cement per 100-142 bricks, depending on the size. One bag of cement is needed for every 142 modular, 125 queen, or 100 utility bricks. This estimate assumes using a mortar that needs to be mixed with three parts sand. A 1:3 cement to sand mix will require one yd 3 of sand for every seven bags of mortar.