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Bath guide

Faucet hole configurations: single-hole, centerset and widespread

Shop Design Build · updated 2026

A single-handle chrome bathroom faucet on a white undermount sink

The number and spacing of holes in your sink or countertop decide which faucets fit. Check before you fall in love with a faucet.

Single-hole

One hole, one faucet body, usually a single handle. Clean and modern. Many come with a deck plate to cover three holes.

Centerset (4-inch)

Three holes with 4 inches from the outer holes, center to center, often on a single base. Common on smaller vanities.

Widespread (8-inch and up)

Three separate pieces: spout and two handles, usually 8 inches apart, sometimes up to 16. A more traditional, spacious look. Browse widespread faucets.

Wall-mount and vessel

Wall-mount faucets need the valve in the wall, planned before tile. Vessel sinks need a tall or wall-mount faucet; see the vessel sink guide.

Kitchen sinks

Kitchen sinks and counters may have one to four holes for the faucet, a sprayer, a soap dispenser or a filtered water tap. Unused holes can be covered. See the kitchen faucet guide and bathroom faucet guide.

Common questions

What is the difference between centerset and widespread faucets?

Centerset faucets fit three holes 4 inches apart, often on one base. Widespread faucets are three separate pieces, usually 8 inches apart.

Can I put a single-hole faucet on a three-hole sink?

Yes, with a deck plate that covers the outer holes.

How do I measure faucet holes?

Measure center to center between the two outer holes: about 4 inches is centerset, 8 inches or more is widespread.

Related: faucets, bathroom faucet guide, kitchen faucet guide, vessel sink guide.

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