Question: are all faucets the same size?
Answer: All faucet holes are of a standard size of 1-3/8 inches while some faucets are of 1-1/2 inches. ... When replacing kitchen faucets you need to consider the number of holes in your sink and the distance between the holes. For a 3-hole kitchen sink, the kitchen faucet plate, called a deck plate, covers three holes.