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Mortar Calculator

Estimate joint mortar and split cement and sand quantities.

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Mortar fills the spaces between masonry units. Its consumption changes when brick dimensions, joints or the wall thickness change.

Measure net masonry and use brick sizes that match the delivery. The calculator separates an estimated mortar volume into cement and sand for your selected proportions.

Inputs and controls

Measurement unit

Masonry area

Feet, Metres, Inches, Centimetres, Millimetres

Wall length

Masonry area

Allowed range: 0.001 to 100000

Wall height

Masonry area

Allowed range: 0.001 to 100000

Wall thickness

Masonry area · in

Allowed range: 0.01 to 100

Opening area

Masonry area · sq ft

Allowed range: 0 to 10000000

Brick length

Brick and joint dimensions · in

Allowed range: 0.1 to 40

Brick width

Brick and joint dimensions · in

Allowed range: 0.1 to 40

Brick height

Brick and joint dimensions · in

Allowed range: 0.1 to 40

Mortar joint

Brick and joint dimensions · in

Allowed range: 0 to 3

Sand parts per cement part

Mortar mix

Allowed range: 0.001 to 100

Dry volume factor

Mortar mix

Allowed range: 1 to 3

Cement bag mass

Mortar mix · kg

Allowed range: 1 to 1000

Cement density

Mortar mix · kg/m³

Allowed range: 100 to 5000

Ordering allowance

Mortar mix · %

Allowed range: 0 to 100

Added once to the measured requirement.

Cement bag price

Quotes · PKR / bag

Allowed range: 0 to 1000000000

Optional. Enter your own supplier quote.

Sand price

Quotes · PKR / cft

Allowed range: 0 to 1000000000

Optional. Enter your own supplier quote.

How to use

Why use this tool

The estimate follows the wall and its units, giving you a clearer basis than applying one bag allowance to every room.

Before relying on the result

Mortar volume is net masonry minus estimated brick solids. Bond and site loss can change consumption.

Tool limitations

Mortar volume is net masonry minus estimated brick solids. Bond and site loss can change consumption.

Questions

Why might site consumption differ?

Bond details, joint variation and handling losses can change the amount used. Compare the first completed section with the estimate before ordering later batches.

What should I check before using Mortar Calculator?

Check Measurement unit, Wall length, Wall height and Wall thickness. Use the exact units shown beside the controls and replace any example values with your own inputs.

Source page last modified: 2026-10-01T14:08:57+00:00. This profile describes the tool; use its page to run it.

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