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Mortar Calculator

Construction
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Calculates the number of mortar bags needed for wall construction based on wall dimensions and mortar coverage.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Wall Length, Wall Height, Wall Thickness, and Mortar Coverage per Bag in the units shown.

Step 2

Read Wall Volume, Wall Volume (Cubic Yards), Mortar Bags Needed, and Mortar Bags Needed (Rounded Up) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Small Wall

Wall Length: 5 feet; Wall Height: 4 feet; Wall Thickness: 0.667 feet; Mortar Coverage per Bag: 0.6 cubic yards

Wall Volume: 13.34 cubic feet; Wall Volume (Cubic Yards): 0.4940740741 cubic yards; Mortar Bags Needed: 0.8234567901 bags; Mortar Bags Needed (Rounded Up): 1 bags

Medium Wall

Wall Length: 10 feet; Wall Height: 8 feet; Wall Thickness: 0.667 feet; Mortar Coverage per Bag: 0.6 cubic yards

Wall Volume: 53.36 cubic feet; Wall Volume (Cubic Yards): 1.976296296 cubic yards; Mortar Bags Needed: 3.29382716 bags; Mortar Bags Needed (Rounded Up): 4 bags

Large Wall

Wall Length: 20 feet; Wall Height: 10 feet; Wall Thickness: 0.667 feet; Mortar Coverage per Bag: 0.6 cubic yards

Wall Volume: 133.4 cubic feet; Wall Volume (Cubic Yards): 4.940740741 cubic yards; Mortar Bags Needed: 8.234567901 bags; Mortar Bags Needed (Rounded Up): 9 bags

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