Architect Tools

Masonry · Calculator

Mortar Calculator

Estimate cement and sand for a chosen wet mortar volume and mix ratio.

Project inputs

Enter your project values, then press Calculate.

How this calculator works

Estimate cement and sand for a chosen wet mortar volume and mix ratio.

dry mortar = wet mortar × factor; split by cement:sand ratio

How to use the Mortar Calculator

1. Enter project inputs

  • Wet mortar volume (m³)
  • Dry-volume factor
  • Cement ratio
  • Sand ratio
  • Cement bag weight (kg)

2. Review the results

  • Cement
  • Cement bags
  • Sand
  • Dry mortar volume

3. Check the calculation

The calculator uses the following core relationship:

dry mortar = wet mortar × factor; split by cement:sand ratio

Estimating note: Actual material quantities can vary with site conditions, detailing, product dimensions, installation method, and waste.

Mortar Calculator FAQ

What does the Mortar Calculator calculate?

Estimate cement and sand for a chosen wet mortar volume and mix ratio.

What information do I need to use the Mortar Calculator?

The calculator uses inputs such as Wet mortar volume (m³), Dry-volume factor, Cement ratio, Sand ratio, and Cement bag weight (kg). Use values from your drawings, measurements, product data, or project specifications.

How should I use the results from the Mortar Calculator?

Use outputs such as Cement, Cement bags, Sand, and Dry mortar volume for estimating and cross-checking. Before purchasing or construction, confirm the dimensions, units, waste factors, supplier packaging, and project specifications.