You may be curious about the copper bathroom sink faucet width cm. Standard widths of single bowl sinks range from 22 to 30 inches. Double bowl sinks can be as long as 60 inches and may feature extra-wide rims and attached worktop surfaces. Single and double bowl sinks can vary greatly in width. Single bowl sinks generally measure 22 inches, while double and triple bowl sinks can reach 50 and 60 inches, respectively. To determine the right size, measure the area of your counter where you plan to place your sink.