How To Measure Cabinets In Square Feet. Given the smaller size of cabinets, you might want to consider measuring them in inches first, then converting each measurement to square feet by dividing them by 12. Please note that granite countertops have a 1 ½” standard over hang from the face of the cabinets.
Square footage is calculated by multiplying the width by height. Measure the height of your cabinets. (for example, 12 x 18 = 216) next, divide this number by 144.
62.5” x 25” = 1562.5” piece b:
Now, we don’t buy these materials by the square inch so we will need to convert that number into square feet. This yields a product called the area, which is expressed in square feet (or square inches if you are calculating a. Repeat the process, but start the measurement from the other side of the corner. You can find the square feet by making some careful measurements and performing a few simple mathematical calculations.