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Mortar Calculator

Bags of mortar for block or brick.

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Results
Mortar bags (80 lb)
22
Units per bag
30
Sand needed
13.2 cubic ft
Estimated cost
$198.00
Total weight
1,760 lb

Quick answer

One 80 lb bag of mortar lays about 30 standard bricks or 12 concrete blocks.

How to use the Mortar Calculator

  1. 1Count the bricks or blocks in your wall.
  2. 2Choose the unit type.
  3. 3Order 10% extra mortar for waste.

Frequently asked questions

Which mortar type?

Type N for general above-grade work, Type S for below grade and load bearing.

How long can I use mixed mortar?

About 90 minutes, or less in hot weather.