AbraCalc

How Many Concrete Blocks for a 16x6 ft Garage Wall?

A 16×6 ft garage block wall with 5% waste needs approximately 86 standard concrete masonry units.

Embed this tool on your site

How to use this tool

  1. Enter the wall length and height in feet.
  2. Set a waste allowance of 5–10%.
  3. The result shows wall area and number of 8×8×16 CMU blocks needed.

Calculate how many standard 8×8×16 concrete blocks are needed to build a single 16-foot garage wall section.

Frequently asked questions

How many concrete blocks per square foot?
A standard 8×8×16 CMU block laid with a 3/8" mortar joint covers approximately 0.889 sq ft, so you need about 1.125 blocks per square foot.
What is a CMU block?
CMU stands for Concrete Masonry Unit. Standard blocks are 8 inches wide, 8 inches tall, and 16 inches long (nominal dimensions).