Granite Countertop Costs When you start shopping for granite countertops, you need to know how many square feet of granite material you will need for your granite countertop project. Granite prices are quoted by the square foot and each color or pattern will vary in price. The more figure in the granite and the harder it is to find, the more it costs. Black granite like Uba Tuba is very popular because it looks great with the stainless an d black kitchen appliance used in many kitchens and it is also very economical. Prices at Home Depot and Lowes run a little more than custom granite countertop installers because you cut out one of the middle men. Below you will find a diagram representing a kitchen countertop area to give you a visual idea of how to measure and calculate the square footage to get an estimated area of your countertops. Your application may be somewhat different but you will be able to relate it to your kitchen or bath countertops. The main idea is to understand the standard depth of the countertops is 26”, remember to add the back splash, and to know that cutouts like a sink or a rounded bar top will be included in the cost. If you have these measurements, you can figure the approximate square feet of granite it will take for your project.    Installed prices should run $50-75 per square foot.  My countertops in Golden Beach (photo) ran about $62 per square foot installed. Golden Beach is highly figured and pretty hard to find.  After you get the estimate complete, and select a color  you want, you can visit one of our sponsors or an installer in your area for a price estimate. Just call them and ask for the price per square foot for installed granite countertops in the color of your choice with standard edges. Remember, this is just an estimate and an installer will come to your home to calculate the exact square footage before he begins work. Taller splashes, fancy edges or special cuts will make the cost greater. Good luck on your project.        How To Calculate the Square footage of countertops Notes: - Standard width of countertop = 26 inches - Standard height of splash = 4 inches A. Square inches of splash    - Length of back splash + Length of end splash = total splash length    - Total splash length x 4 in = sq in of splash B. Square inches of countertop    - Length of counter x 26 in = sq in of countertop C. Square inches of bar area    - Length of bar at longest point x Width of bar at widest point = sq in of bar Total square footage = (A + B + C) divided by 144