What Size Thread is a Garden Hose?

A garden hose has a diameter of about 1/2 inch. The most common thread size for a garden hose is 3/4 inch, but there are also hoses with 1/2 inch and 1 inch threads.

Garden hoses come in a variety of sizes, but what size thread is best for your garden hose? The answer may surprise you.

What Size Thread is a Garden Hose?

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Is the Garden Hose 3/4 Npt?

The garden hose is not 3/4 NPT.

Is Garden Hose Thread the Same As Npt?

Garden hose thread (GHT) is not the same as National Pipe Thread (NPT). GHT is a US standard for tapered threads used on hoses, pipes and fittings. NPT is a US standard for tapered threads used on pipe fittings.

Both standards are compatible with each other, but they are not interchangeable.

What Thread is 3/4 Garden Hose?

If you’re looking for a 3/4 garden hose, the short answer is that there is no such thing. Garden hoses are typically either 1/2 inch or 5/8 inch in diameter, and 3/4 inch is somewhere in between the two. That being said, there are a few adapters that exist which would allow you to connect a 3/4 inch hose to a garden faucet – but it’s not an ideal solution, and you might have some water pressure issues as a result.

So, what’s the deal with garden hoses? Why do they come in two different sizes, and why can’t you just use any old hose for your gardening needs? Well, it all has to do with water pressure.

A 1/2 inch diameter hose can carry up to about 45 PSI of water pressure, while a 5/8 inch diameter hose can handle up to about 60 PSI. And while there are plenty of homes with high-pressure systems that could make use of a 3/4 inch garden hose just fine, most standard home water pressure clocks in at around 50 PSI – making a 3/4 inch garden hose overkill (and potentially dangerous) for everyday use.

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In short: if you’re looking for a 3/4 garden hose, you won’t find one on store shelves.

But with a little ingenuity (and maybe an adapter or two), you can probably rig something up that will work just fine.

What is the Size of a Standard Garden Hose Fitting or Connector?

Garden Hose Thread Size Chart

There are many types of garden hose threads out there and it can be confusing to know which one to use. This garden hose thread size chart will help make things easier for you. GHT is the most common type of garden hose thread in the United States.

It is often referred to as “standard” or “national” thread. This connection is found on nearly all hoses sold in North America. If your outdoor spigot has female threads, then you will need a male GHT adapter to connect your hose.

NPT (National Pipe Thread) is another common type of thread in the United States. It is similar to GHT but not quite as common. You might find this type of connection on some older hoses or if you live in an area where GHT isn’t as commonly used.

BSPP (British Standard Parallel Pipe) is a type of thread that is commonly used in Europe and other parts of the world outside North America. If you have a European-style outdoor spigot, then you will likely need a BSPP adapter to connect your hose. BSPT (British Standard Tapered Pipe) is another type of thread that is commonly used outside North America, particularly in Europe and Asia.

This connection is similar to NPT but has a slightly different taper.

Garden Hose Male Thread Size

Garden hoses have a male thread size of 3/4 inch (19.05 mm) at the end that screws into the female coupling on the water source. The diameter of the threads is determined by the pipe schedule. The outside diameter of the threads is about 1 inch (25.4 mm).

Garden Hose Thread Size Us

Most garden hoses in the United States have a 5/8-inch inner diameter with 11-1/2 NPSM (National Pipe Straight Mechanical) threads at each end. The outside of the hose is usually 3/4 inch in diameter. There are also smaller sizes available with a 1/2-inch inner diameter and larger sizes up to 1 inch.

The most common type of fitting used on the end of garden hoses in the U.S. is the male hose end, which has threads that screw onto the female adapter on the faucet or other water source.

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What Size is a Standard Water Hose Fitting

When it comes to hose fittings, there is no such thing as a “standard” size. The truth is, there are dozens of different types and sizes of fittings out there, all designed for specific applications. So when you’re trying to figure out what size fitting you need, the first step is to identify the type of fitting you need.

There are two basic types of hose fittings: barbed and threaded. Barbed fittings have sharp ridges that grip onto the hose material, while threaded fittings screw onto the hose (or into another fitting). Barbed fittings come in a variety of sizes, depending on the application.

For example, fuel line hoses use much smaller barb fittings than water hoses. The barb size will also be different if the hose is made from PVC or rubber. In general, though, most common garden hoses use 3/4″ or 1″ barbed fittings.

Threaded fittings also come in a variety of sizes and styles. The most common type of threading is NPT (National Pipe Thread), which is used for nearly all home plumbing applications. Garden hoses typically use NPSM (National Pipe Straight Mechanical) threads.

Again, the size will vary depending on the application; small air hoses might use 1/8″ NPT threads while larger water hoses might use 3/4″ NPT threads.


If you’ve ever wondered what size thread is a garden hose, wonder no more! This helpful blog post will tell you everything you need to know. Garden hoses have 3/4-inch threads, which are the same size as those on a standard water faucet.

The threads on the hose and the faucet must match in order for the connection to be secure. If your garden hose has different sized threads, you can buy an adapter to make it fit.