3/4 Vs 1 Inch Water Meter – Learn Which One Is Accurate For Your Purposes

by Jack Grover
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What is the difference between ¾ and 1 inch water meter? Yes, there are plenty of differences, and it is imperative if you are looking for a perfect match for your home or commercial area. A 1-inch water meter has a high caliber to maximize the flow rate and calculate by 33% more than the ¾ inch water meter.

Today our discussion’s focal point is ¾ vs 1 inch water meter, profound contrast analysis, and related information regarding the meters.

¾ Vs 1 Inch Water Meter

Other than the size, many critical points are utterly dissimilar. Here are the prime differentiations we are mentioning below.

Subjects¾ Inch Water Meter1 Inch Water Meter
Total Water Flow Rate In A Minute20 gallons per minute. It can be at most 25 gallons.  40 gallons per minute, and it can reach up to 45 gallons.  
PurposesFor small to mid-sized houses or commercial spaces.Allows usage in commercial areas and large houses
CoverageCan cover up to four outlets or around ten faucets. However, attach five outlets for no flawsCan cover up to 15 faucets, which means 7 washrooms
Speed While ManeuverOperating the four outlets or washrooms will decrease the flow by 20% to 30%Operating all the seven faucets at one moment can decrease the performance by 30 gallons per minute

Apart from the thereof, many other differences are essential to know if you plan to purchase a water meter.

Size Of The Pipes

The ¾ inch water meter allows the only pipelines which are ¾ inch, whether it is a short meter or the full-sized meter. We may become confused that the size of the water meter may be ¾ inch that is not.

The size of the short meter is 7.5 inches. And the allowance of the pipe or bore diameter is 0.75 or 3/4 inch water supply line. There is another variation of ¾ water meter called the full-sized meter, and the overall size of this meter is 9 inches.

The input or water supply line from meter to house and the output of the 1-inch water meter, so-called the bore diameter, is sharp 1 inch. Nonetheless, the total length of the meter is around 10.75 inches.

Water Pressure Tolerance

As mentioned above, a ¾ inch water meter can tolerate moderate water flowing pressure. It refers to a set of 6 to 8 faucets. And the full-sized water meter can handle the same by keeping the pressure from the water supply line from meter to house better than the short one. We predominantly use the short meter for household purposes and a full-sized meter for commercial areas.

A 1 inch water meter can flow better water and tolerate more pressure. It can handle at most 15 faucets, but the pressure is countable when you are maneuvering not more than eight faucets simultaneously.

Once started, heavy water use and operating more than eight faucets can fade the water pressure away. Commercial spaces like departmental shops, small-sized pubs, or restaurants can apply a 1-inch water meter for best results.

Similarities Between Two Water Meters

The purpose of all water meter sizes is the same, measuring the water pressure and calculating the total usage of water. Nevertheless, size matters a lot according to your premises. If you require to attach a pipeline for your tiny house, you must know the utter flow rate ½ vs ¾. Cause, sometimes we believe the larger one must be better, which is incorrect. Again, ¾ inch water can’t perform for the same performances where we need a 1-inch meter.

It does not impact the flow when you are extending the pipeline. Yet, increasing pipe size after water meter or expanding the line for more purposes can decrease the flow rate eventually.

About the confusion, how far can you run 3/4 water line? We can extend the lines for a mile without facing any trouble. It does not hamper the water flow or pressure at all. The only thing we need to keep in our mind is the total number of outlets and faucets.


The price of a water meter varies from brands to brands. And the current market price of the short ¾ water meter starts at $45 and for 1 inch you need to spend around $126 at least.

Frequently Asked Questions (FAQs)

What size water meter do most homes have?

The ideal water meter size for a small home is ½; for a mid-sized home, ¾, and for a large house, you can go for the 1 inch water meter. However, the requirement for a water meter depends on the number of faucets and washrooms.

What size pipe comes out of the water meter?

We can easily find out the pipe size of the water meter. A water meter is designed according to the pipe or bore diameter. For example, for a ¾ inch pipe, we need a ¾ inch water meter; for a ½ inch pipe, we need to use a ½ water meter.

Does changing pipe size affect water pressure?

Undoubtedly, pipe size matters a lot. If you do not use the accurate pipe size in the output line, the flow will get low or high, creating enormous pressure on the meter. And the same rule goes for selecting water meter size. If you attach a smaller-sized water meter with the supply line, it will break within a few days.


We have learned the critical differences between the ¾ vs 1 inch water meter. If you think of installing a water meter for your small to mid-sized home, a ¾ inch water meter is perfect. If your premise is more significant than that, you must use a 1 inch water meter.

But if you own a tiny house that consists of one washroom, you can use a ½ inch water meter. It is entirely dependent on your requirements according to the services and usage.

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