Mortar Calculator
Estimate mortar volume and bag count from masonry unit dimensions, joint size and product yield.
Results
Estimated wet mortar
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Bags required
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Use the result as a planning estimate and verify manufacturer guidance, material data and project-specific requirements where relevant.
How it works
The calculator approximates horizontal and vertical mortar-joint volume around each masonry unit, applies waste, then divides by the entered wet yield per bag.
Limitations
- Bond pattern, unit cores, tooling, joint compression and workmanship affect actual mortar use.
- Use the mortar manufacturer’s stated yield and project specifications.