FREE ONLINE CALCULATOR

Mortar Calculator

Estimate masonry mortar volume and bag count using adjustable usage and yield assumptions.

✓ Instant results ✓ Editable inputs ✓ Formula explained

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CONSTRUCTION · TOOLS

MEASURE Enter project dimensions

ESTIMATE Calculate material volume

PLAN Check practical assumptions

CALCULATION TOOL

Mortar Calculator

Change any value and calculate again.

Uses the values you enter. No account required.

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ABOUT THIS TOOL

When to use a mortar calculator

Estimate masonry mortar volume and bag count using adjustable usage and yield assumptions.

All assumptions are visible and adjustable. Check rates and underlying data against original sources before making a decision.

HOW IT WORKS

The calculation

Mortar cubic feet = unit count × mortar volume per unit × (1 + waste%); bags = ceil(cubic feet ÷ yield per bag).

Read the full guide →

ASSUMPTIONS

Know the limitations

Joint width and unit design dramatically affect mortar consumption; use manufacturer yields and job-specific rates.

Results are estimates derived from your inputs.