If you have separate handles for hot and cold, you have three holes in the sink. Measure the distance between the handles. Hold the the tape measure above the faucet if it's in the way. If the distance is six inches or more you need a “widespread" or “eight inch spread" faucet.
Measure the countertop behind the sink, and the diameter of the pre-drilled holes and the distance between their centers. The hole dimensions are how to determine what size faucet will fit, before you buy the faucet. Measure the distance between the wall and sink edge.
In other words, measure from the centerpoint of the far left hole to the centerpoint of the far right hole. Most faucet centers range between 4 and 16 inches, with widespread faucets typically measuring at 6 to 8 inches and centerset faucets measuring at 4 inches.
DIY Frequently Asked Questions / What does it mean when a faucet is said to have 8-inch centers? The faucet mounts with the fixture holes set 8 inches apart. It's important that you buy the right size faucet to fit.
Sinks generally come in one of three configurations: 6”, 8”, and 6”-16”. The faucet will cover the holes in most of these configuration. You will need to measure the width between the outer holes or estimate it by measuring the width of the deck plate. A 3-hole sink is very common in bathrooms.
Size of the Faucet
On the other hand, if the faucet is too big, then you may end up splashing yourself every time you wash your hands or rinse the dishes. Not to mention, the faucet will overpower the sink.
Not all bathroom sink faucets work with every sink, so it's important to make sure the faucet you choose will fit your sink or basin. Standard faucet drillings are centerset, single-hole or widespread. Renovating your bathroom?
Most of the 8-inch or widespread faucets have three pieces, the tap and the hot and cold handles, which means some 8-inch faucets can fit holes not exactly 8 inches apart. If the span is 4 inches, a 4-inch faucet is what you need. These usually have a base and come in one solid piece.
Most faucet supply hoses are 1/2”, with a 3/8” compression fitting to connect to the building water lines. But still take note of measurements in your application, and make sure you have any necessary fittings to connect your new faucet to your water lines before you begin the installation process.
Faucets are not universal, as they come in a variety of sizes, styles, and designs to fit different sinks, countertops, and bathroom/kitchen configurations. Additionally, faucets use different mounting systems and connections, which may not be compatible with all sinks or countertops.
Connolly recommends that the faucet should extend out at least seven inches from the back of the sink, so you can wash your hands without banging them against the sink. So, if your countertop is 24 inches deep, that would put the spout about 11 inches from the wall.
Look at the general depth of the sink. Faucets that are too big can splash water out of a shallow sink. Check out the space around the sink.
Make certain you are choosing a faucet with adequate height to accommodate the items you'll be washing or filling. The higher the spout, the easier it is to fit tall pots under it for filling or cleaning. If you have a shelf above your sink or a wide window ledge, a tall faucet may not fit.
If you're considering a kitchen or bathroom remodel that includes a faucet replacement, then you'll need to know some things about your sink. Sinks and faucets come in different configurations. The faucet configuration has to line up with the number of holes in the sink.
[Y]ou can replace a centerset faucet with widespread faucet. If you have proper space in the bathroom sink then do three holes for the widespread faucet and now you can easily replace the faucet. At the time of replacement measure faucet size, it is 4-inch or 8-inch.
What are the standard faucet hole sizes for kitchens and bathrooms? The standard faucet hole sizes for kitchens and bathrooms are 1 3/8″ (1.375 Inches or 34.925 mm) in diameter unless otherwise mentioned in the specification. However, faucet holes may vary in size depending on the particular make and model.
The most common type of faucet connection size is 1/2 inch, but there are also 3/4-inch and 1-inch sizes available. These sizes are typically used in commercial buildings or larger residential buildings where multiple fixtures need to be installed at once (such as multiple lavatories).
4-hole sinks allow for a two-handle faucet and a sprayer or soap dispenser. 3-hole sinks allow for two-handle faucets only without accessories. 2-hole sinks allow for a single-hole faucet, and an accessory, like a sprayer. 1-hole sink has no deck plate, and is designed for a single-handle faucet.
To get the faucet center, measure from the center of the hole in the sink on the far left to the center of the hole on the far right. Faucet center measurements can be anywhere between 4 and 16 inches.
Standard Faucet Hole Spacing
The standard spacing for faucet holes is 4″ apart width wise. As always, check the specifications for your faucet to make sure the handles can full extend with 4″ in between accessories. If the fixtures have large handles or swivel, you may find that 6″ is better spacing.
Supply lines are flexible tubes that connect your water supply to your plumbing or appliance fixture. They're available in different sizes. The size refers to the diameter of the fittings on either end of the tube, so check your fixtures to see what size you need.
So if you have a three-hole sink with the outside holes 4 inches apart, you should be able to install a single-handle bathroom faucet. However, a deck plate to cover all the holes is usually needed. Many single-handle bathroom faucets include an “escutcheon” or deck plate for this very reason.