How Do I Know What Size My Outdoor Faucet Is?

If you’re reading this, chances are you’re tired of struggling with leaky, worn-out, or bad-fitting outdoor faucets. Or perhaps you’re looking to upgrade your garden setup and want to ensure your new outdoor faucet fits perfectly.

Outdoor faucets come in different shapes and sizes, and finding the right one can feel overwhelming. But fear not I am here to make the process easy and walk you through the steps to identify your outdoor faucet’s size.

Selecting the improper size can lead to leaks, stripped threads from forcing connections, and other headaches. So read this guide to measure the correct size of the outdoor spigot.

Factors to Consider When You Choose Outside Faucet Size

Factors to Consider When You Choose Outside Faucet Size

When it comes to choosing the right size outdoor faucet, there are several factors to consider. One of the most important factors is the type of faucet you have or plan to install.

Different types of outdoor faucets have unique size requirements, so it’s essential to understand the differences between them. Here are some of the most common types of outdoor faucets and their size requirements:

Garden Hose Faucets

Garden hose faucets are the most common type of outdoor faucet. They are designed to connect to a garden hose and are typically mounted on a wall or post.

Garden hose faucets come in various sizes, but the most common sizes are 3/4″, 1″, and 1 1/4″. The size of the faucet refers to the diameter of the threaded shank that connects to the garden hose. A 3/4″ faucet has a smaller shank than a 1″ or 1 1/4″ faucet.

Frost-Proof Spigots

Frost-proof spigots are designed to prevent freezing temperatures from damaging the faucet. They are typically installed in areas where the temperature drops below freezing. If you have frost-proof spigots, you don’t need to cover the outdoor faucet until the temperature becomes freezing.

Frost-proof spigots come in sizes ranging from 1/2″ to 1 1/2″. The size of the faucet refers to the diameter of the threaded shank that connects to the water supply line. A 1/2″ frost-proof spigot has a smaller shank than a 1″ or 1 1/2″ spigot.

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Wall-Mounted Faucets

Wall-mounted outside faucets are designed to be mounted directly to a wall and are typically used for irrigation systems or filling large containers.

They come in various sizes, but the most common sizes are 1/2″, 3/4″, and 1″. The size of the faucet refers to the diameter of the threaded shank that connects to the water supply line. A 1/2″ wall-mounted faucet has a smaller shank than a 3/4″ or 1″ faucet.

Now that you know the different types of outdoor faucets and their size requirements, you can start thinking about the correct size of faucet you need for your specific application.

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How To Measure Outdoor Faucet Size?

How To Measure Outdoor Faucet Size?

To find the right size outdoor faucet, you need to measure the diameter of the spigot (the part where water comes out).

Unscrew the garden hose, splitter, nozzle, or any other fitting currently attached to your outdoor faucet. You need to fully expose the threaded connector neck underneath so you can measure the diameter accurately.

Use an adjustable wrench if necessary to loosen a threaded hose terminal or fitting. Because some are on very tightly and hard to remove by hand alone. Check that you’ve removed any seals/washers along with the connector.

Now the faucet connector threads are fully exposed. You can use a measuring tape or small ruler to measure to outer diameter or width of the outdoor faucet.

Wrap the tape around the threaded area to determine the measurement.

Most outdoor faucets will be 1/2 inch, 5/8 (0.625) inch, or 3/4 inch sizes. If it falls between standard fractions, round to the nearest common size.

Standard Outdoor Spigot Size

When it comes to determining the size of an outdoor faucet connector, there are two main measurements – the diameter which indicates flow rate, and the gender of the connector threads.

Diameter Size

SizeDiameterTypical Use Cases
1/2 inch0.5 inchesResidential gardens, moderate flow demands
5/8 (0.625) inch0.625 inchesHigh flow hoses, multi-connector splitters
3/4 inch0.75 inchesCommercial applications, very high flow output

Male vs Female Endpoint Connectors

You’ll also notice that one side of the connector at the end of the hoses and accessories will be male-threaded, and the other female to receive the male-threaded side. This allows a water-tight seal when matched properly.

  • Male connectors – Feature protruding threads external to the fitting to screw into a female opening
  • Female connectors – Have internal threads or openings to receive an external male-threaded connector

Are All Garden Hose Fittings The Same Size?

No, not all garden hose fittings are the same size. The size of the fittings needs to match the outdoor faucet spigot they are being attached to.

The most common hose fitting sizes are 1/2 inch, 5/8 inch, and 3/4 inch.

So when selecting a replacement garden hose, you need one with connector ends that match and properly fit your specific outdoor faucet diameter.

For example, connecting a 1/2 inch hose to a 5/8 inch faucet is problematic. The threads and seal won’t match up properly leading to slipping, leaking issues, or damaged connectors forcing them on.

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