How To Calculate Square Footage Of Countertops

To calculate square footage of countertops
multiply length times width in inches and divide it by 144.
Length x Width : 144 = Square footage of your countertops

26″ x 155″ : 144 = 27.98 SqFt

Please remember to include the backsplash in your calculation to get an accurate estimate.

Countertops square footage calculator

Standard countertop depth is 25.5 to 26 inches. The cabinet base box is 24″ plus the doors, about 1″ for a total depth 25″
Most cabinets island are 36″ to 48″ deep and about 60″ to 80″ long.

What is the average square footage of kitchen countertops?
The average kitchen countertops square footage is from 40SF to 60SF

The kitchen countertop square footage varies depending on the kitchen floor plan, and whether you have a breakfast bar or island. 

How many square feet is a slab of granite?
Granite slabs are 9 to 10 feet wide and 5 to 6 feet tall on average.