Single Hole Bathroom Faucet Hole Size Guide: Perfect Fit Tips

Understanding Single Hole Bathroom Faucet Hole Sizes

When it comes to bathroom renovations or new installations, one of the key decisions you'll make is choosing the right faucet. A crucial aspect of this choice is ensuring the faucet's hole size aligns with your bathroom sink's pre-drilled holes. This article delves into the world of single hole bathroom faucets, helping you understand the different hole sizes and how to measure your sink for the perfect fit.

What is a Single Hole Faucet?

A single hole faucet, also known as a single lever faucet, is designed to fit into a sink that has been pre-drilled with a single hole. These faucets are popular for their sleek, modern look and their ability to save space, making them an excellent choice for small bathrooms or powder rooms. They typically come with an integrated spout and handle, allowing you to control both the water flow and temperature with a single lever.

Standard Single Hole Sizes

Single hole faucets are typically designed to fit into one of two standard hole sizes:

The Ultimate Bathroom Faucet Choose Guide 101 - Hofen Drain

  • 1 - 1 1/4 inches: This is the most common size for single hole faucets. It's suitable for most standard bathroom sinks.
  • 1 1/2 inches: This size is less common but is sometimes used for larger sinks or to accommodate a specific faucet design.

It's essential to note that while these are the standard sizes, some faucets may have slightly different hole sizes, so it's always a good idea to measure your sink and faucet to ensure a perfect fit.

Measuring Your Sink for a Single Hole Faucet

Before you purchase a single hole faucet, you'll need to measure the hole in your sink to ensure the faucet will fit correctly. Here's a simple step-by-step guide:

  1. Locate the pre-drilled hole in your sink. This is where your faucet will be installed.
  2. Using a ruler or a tape measure, measure the diameter of the hole. This is the distance across the hole, from one side to the other.
  3. Compare your measurement to the standard sizes listed above. If your measurement doesn't match either of these sizes, you may need to consider a faucet with an escutcheon, which can cover up a slightly larger hole.

What if Your Sink Doesn't Have a Single Hole?

If your sink doesn't have a single hole, don't worry. You have a few options:

Standard Bathroom Faucet Hole Spacing – Rispa

  • You can have your sink drilled to accommodate a single hole faucet. This should be done by a professional to avoid damaging your sink.
  • You can choose a faucet with an escutcheon, which is a decorative plate that covers the extra holes in your sink.
  • You can opt for a different faucet type, such as a widespread faucet, which requires three holes.

Choosing the Right Single Hole Faucet

Once you've determined the hole size you need, you can start shopping for your single hole faucet. Consider factors such as material, finish, and style to ensure the faucet you choose complements your bathroom's aesthetic. Don't forget to consider the faucet's functionality as well, looking for features like easy installation, durable construction, and water-saving capabilities.

Installing Your Single Hole Faucet

Installing a single hole faucet is a relatively straightforward process, but it's important to do it correctly to ensure a proper seal and prevent leaks. If you're not comfortable doing the installation yourself, don't hesitate to call a professional plumber. With the right tools and a little patience, you can have your new faucet installed and ready to use in no time.

Reference

Everything About Sink Faucet Hole Sizes - Lanerdi

22.05.2025 ... Why Sizes Vary · Kitchen Sinks: The 1 3/8-inch hole accommodates most kitchen faucets, often supporting additional features like sprayers or soap ...

The Ultimate Bathroom Faucet Choose Guide 101 - Hofen Drain

The Ultimate Bathroom Faucet Choose Guide 101 - Hofen Drain

Reference

Hole Size for Single-Control Bathroom Faucets - Kohler Assist

Unless otherwise noted on the Specification Sheet for a single-control bathroom faucet, the hole size of the sink should be 1-3/8" in size. This was helpful.

Standard Bathroom Faucet Hole Spacing – Rispa

Standard Bathroom Faucet Hole Spacing – Rispa

Reference

What hole size for faucet in kitchen counter? : r/Plumbing - Reddit

04.06.2025 ... Most faucets are not 1-3/4, they're mostly designed to fit a 1-3/8" hole. A diamond hole saw that sized is easy to find tho.

Standard Faucet Hole Sizes and Guidelines (with 2 Drawings) - Homenish

Standard Faucet Hole Sizes and Guidelines (with 2 Drawings) - Homenish

Reference

What size hole does the faucet need? - Delta Faucet Help Center

What do I do if my single-handle kitchen faucet drips from the spout outlet? ... Bathroom Sink Faucets · Showering · Bathing · Kitchen Sink Faucets · Clearance ...

Understanding Standard Faucet Hole Sizes | Faucet, Single hole sink ...

Understanding Standard Faucet Hole Sizes | Faucet, Single hole sink ...

Reference

Bathroom Sink Faucets: Choosing Single-Hole vs. Widespread

The installation is relatively easy since you only need one hole of a standard size to mount the faucet. Unlike single-hole faucets, widespread faucets consist ...

Moen Karis Matte Black Single Hole 1-Handle WaterSense Bathroom Sink ...

Moen Karis Matte Black Single Hole 1-Handle WaterSense Bathroom Sink ...

Reference

How do I know what size holes are in my kitchen sink faucets?

19.06.2025 ... It is worth noting that the standard diameter of the kitchen sink hole is generally between 35 mm and 45 mm, and the specific size will vary ...

Faucet Hole Spreads — World Stone - Granite Countertops in the Carolinas

Faucet Hole Spreads — World Stone - Granite Countertops in the Carolinas

Reference

Bathroom Sink Faucet: Single Hole vs Three-Hole - 2025 Guide

19.11.2025 ... On the other hand, a widespread faucet offers a more expansive, custom look. Here, the holes are spaced much farther apart, usually anywhere ...

Bathroom Faucet Hole Spacing – Semis Online

Bathroom Faucet Hole Spacing – Semis Online

Reference

Single-Hole Bathroom Sink Faucets | Frank Webb Home

A single-hole sink faucet installs into one hole drilled into a vanity or countertop, and features a single lever to control the water temperature and pressure.

Standard Bathroom Faucet Hole Spacing – Rispa

Standard Bathroom Faucet Hole Spacing – Rispa

Reference

Understanding Standard Faucet Hole Sizes

20.05.2022 ... May 27, 2025 - The standard size of a faucet hole is 1 ⅜ inch. This translates to 1.375 inches, or 35mm. Since this is considered to be the ...

Faucet Hole Sizes for Kitchen and Bathroom - Xiamen OLT

Faucet Hole Sizes for Kitchen and Bathroom - Xiamen OLT

Reference

Bathroom Sink Faucet Buying Guide at FergusonShowrooms.com

If there are three holes 8" apart on the sink or counter, an 8" widespread faucet will fit your application. Types of Bathroom Sink Faucets. Single Hole Faucets ...

BWE Brushed Nickel Single Hole 1-Handle Waterfall Bathroom Sink Faucet ...

BWE Brushed Nickel Single Hole 1-Handle Waterfall Bathroom Sink Faucet ...

Reference

Faucet hole size? | Houzz Forum

08.07.2015 ... I googled it, and several sources say that 1 3/8" is the universal standard for the hole. But then every Moen faucet I look at says it's ...

The Ultimate Bathroom Faucet Choose Guide 101 - Hofen Drain

The Ultimate Bathroom Faucet Choose Guide 101 - Hofen Drain

Reference

Miseno 111112-BAF-PCT Jumilla 1.2 GPM Single Hole Bathroom ...

Spout Reach: 6-1/16" (faucet base to spout outlet); Flow Rate: 1.2 gallons-per-minute; Faucet Hole Size: 1-3/8"; Faucet Holes: 1 (minimum number of holes ...

Are All Bathroom Faucets The Same Size? | Angi

Are All Bathroom Faucets The Same Size? | Angi

Reference

Looking to change my bathroom faucet. Is this a single hole or 3 ...

23.11.2025 ... 3 hole. Like $20 bucks from Home Depot if you buy the tool it's an easy replace.|Its a 4inch center set 3 hole faucet.

Faucet Hole Size Explained: Find the Best Fit for Your Sink

Faucet Hole Size Explained: Find the Best Fit for Your Sink

Reference

How to Select the Right Kitchen or Bath Faucet Configuration

20.01.2016 ... Share your videos with friends, family, and the world.

Choose the Right Size Faucet for Kitchen and Bathroom Sinks

Choose the Right Size Faucet for Kitchen and Bathroom Sinks

Reference

What should be the standard spacing of a faucet hole? - Quora

02.01.2022 ... Yes 1 3/8″ holes are the standard holes on the sink deck. The faucets use either a 3 hole or a single hole. Other holes in the sink are the same ...

Standard Bathroom Faucet Hole Spacing – Rispa

Standard Bathroom Faucet Hole Spacing – Rispa

Reference

Replacing a faucet? You need to know your sink configuration! - Moen

... faucets fit when there's not an exact match. Hilliard Mediterranean Bronze Single Hole Configuration Bathroom Faucet. First the basics, bathroom sinks come ...

Single Hole Bathroom Faucets Brushed Nickel Single Handle Classic And

Single Hole Bathroom Faucets Brushed Nickel Single Handle Classic And

Reference

How to Measure a Bathroom Faucet - The Home Depot

10.02.2026 ... A three-hole faucet includes the left handle, the faucet itself and the right handle. For an approximate figure, measure from the center of one ...

Single hole faucet hole size vs others - Xiamen OLT

Single hole faucet hole size vs others - Xiamen OLT

Reference

Choosing the Perfect Single Hole Bathroom Sink Faucet - Mod-Land

10.04.2023 ... A single hole bathroom sink faucet, as the name suggests, is designed to fit into a single mounting hole in the sink. It's a sleek and ...

Delta Bathroom Faucets Chrome Delta Modern Chrome Single Hole 1 Handle

Delta Bathroom Faucets Chrome Delta Modern Chrome Single Hole 1 Handle

Reference

How Do You Change a 3 Hole Faucet to 1 hole? - at home with Ashley

For a bathroom you'll probably need a 6″ plate and in the kitchen, a 10″ plate. Though make sure to measure so you get the correct size.

Single Hole Bathroom Sink Faucet Findlay Chrome One Handle High Arc

Single Hole Bathroom Sink Faucet Findlay Chrome One Handle High Arc

Reference

Recommended hole size for bathroom faucet - Kingston Brass, inc.

28.07.2021 ... The industry standard faucet hole sizes for kitchens and bathrooms are 1 3/8′′ (1.375 Inches or 34.925 mm) in diameter.

Faucet Hole Size Explained: Find the Best Fit for Your Sink

Faucet Hole Size Explained: Find the Best Fit for Your Sink