Measure countertops by finding the length of countertop against the wall, and measure the width from the wall to the front edge of the countertop. Multiply the total inches for each side together, and divide by 144 to obtain the square footage of the countertop.Continue Reading
If there is a stove or other appliance built into or against the wall, measure only the portions around the appliance.
To measure for granite countertops, multiply the length by 25.5 inches, or the length of the cabinet plus 1.5 inches. Divide the product by 144 to get the total square feet of granite needed.Learn more about Home Maintenance