How do you measure a countertop for granite?
How to Measure Granite Kitchen Countertops Take measurements of the entire length of each countertop you want covered in granite. Make sure you measure in inches, and multiply the length by 25. 5 inches since typical cabinets are 24 inches and you’ll want a 1. 5-inch granite overhang. Divide the figure you get by performing the steps above by 144.