How To Measure Square Footage For Granite Countertops. Calculate the area or square inches of each section by multiplying the length times the width of each section (length x width = area). Please remember to include the backsplash in your calculation to get an accurate estimate.
This measurement should be along the back where the top meets the wall. 31 in x 25.5 in = 790.5 sq in. 1.draw a diagram of your countertop space on the paper.
Please note that granite countertops have a 1 ½” standard over hang from the face of the cabinets.
And while it might seem like measuring granite countertops is a straightforward process involving the basic mathematical principle of length times width, it can get. So let’s divide 6250 by 144 to get our final square footage of 43.403. All countertop materials are sold by the square foot, so once you have a number you can shop around to find the countertop you like best. A square foot is 12” x 12” = 144.