Mortar Calculator Cement Sand Ratio

Mortar Calculator

Mortar quantity from area × thickness — cement bags and sand (ft³) for 1:4 and 1:6 ratios.

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About this tool

Calculate cement-sand mortar for brickwork, blockwork or bedding. Enter surface area and mortar thickness in mm, choose 1:4 or 1:6 ratio — get mortar volume, cement bags (50 kg) and sand in m³ and ft³. Free Indian construction calculator for site supervisors and quantity surveyors.

How to use the Mortar Calculator

  1. 1

    Enter area and thickness

    Wall or bed area and mortar depth in mm.

  2. 2

    Choose ratio

    Select 1:4 or 1:6 cement-sand.

  3. 3

    Review quantities

    See cement bags and sand volume.

Frequently Asked Questions

What thickness for brick joints?

Nominal 10 mm mortar joint — use 10–12 mm for bed and perp joints in estimates.

1:4 or 1:6 for external walls?

1:4 (richer mix) for external and damp areas; 1:6 for internal partitions.

Is dry volume included?

Yes — we apply 1.33 dry volume factor for cement-sand mortar.

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