Mortar Mix Calculator
Translate an entered mortar mix ratio into proportional cement and sand quantities. The ratio is volumetric/proportional guidance as represented by the calculator.
How the estimate works
For a 1:n ratio, total parts = 1 + n; each material share = its parts รท total parts.
Metric worked example
Inputs: 1:3 cement-to-sand ratio; 4 total parts
Working: Cement = 1/4; sand = 3/4 of the measured dry blend
Result: One part cement to three parts sand
Units and regional checks
Use the mortar specification suitable for the masonry unit, exposure and project. Mix requirements differ; follow the designer and product guidance.
Frequently asked questions
Does the ratio include water?
The displayed ratio describes the dry constituents. Water demand depends on materials and workability; follow the specified mix guidance.
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