Construction
Mortar Mix Calculator
Pick a mortar type (M/S/N/O), enter cubic feet needed, get sand, cement, and lime quantities.
Sand (cu ft)
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- Portland cement (cu ft)
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- Hydrated lime (cu ft)
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- 94 lb cement bags
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FAQ
Which mortar type for what? +
M for below grade and foundations, S for exterior load bearing, N for above grade general use, O for interior non-load bearing.
Why add lime? +
Lime makes mortar more workable and improves bonding. Pure portland mortar cracks more easily.
Heads up: ClutchCalcs gives you fast, accurate results — but always sanity-check critical decisions (medical, financial, structural) with a professional.
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