Block and Brick Counter: Count a Wall Two Ways

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Opens on the book's own wall. Change any number to your own and press Calculate.

Measure in

Block or brick

Wall length meters or feet

Courses high or leave blank and give a height

Height meters or feet, if no courses

Openings (gates) total width, same unit

Waste allowance %

Price per unit illustrative

Custom face length mm

Custom face height mm

Custom joint mm

Enter the wall and press Calculate.

From the book, Chapter 1. Units per square meter = 1 ÷ (length with joint × height with joint), in meters. The book's wall is 6.0 m long and 7 courses high: 105 blocks, 111 to order with 5%.

Count it twice, by area and by courses. If the two disagree, the length is not a whole number of modules. Prices are illustrative US home-center prices from October 2026, shown without a currency sign; put in your own. Everything stays in your browser: no sign-up, nothing stored.