Mortar Calculator

Calculate mortar requirements for CMU block walls, masonry projects, and concrete block construction quickly and accurately.

Wall Area

Wall Type

Mortar Waste

Mortar Bag Weight

Mortar Cost Per Bag ($)

How much mortar do I need?
Mortar quantity depends on wall area, block type, joint thickness, and waste allowance.

What mortar is used for CMU walls?
Type S mortar is commonly used for structural CMU block walls and foundations.

How much extra mortar should I order?
Most contractors recommend adding 5%–10% extra mortar for waste and jobsite variations.