The average size and price of a double bowl kitchen sink vary depending upon the material, size, type, design and colour chosen. A standard double bowl kitchen sink size is 33 inches (L) x 22 inches (W) x 8 inches (D). The inner configurations can be of the ratio 50:50, 60:40 or 70:30 depending on how much sink workspace you want for each activity. Depending upon the type of configuration you choose (two equal-sized bowls, one larger or smaller than the other with the same depth, farmhouse-style sink and the like), the length can go up to 36 inches, width up to 48 inches and depth up to 10 inches. The price of a standard double bowl kitchen sink (33 inches in length) lies between $470 and $680, including installation charges.