Complete Guide About How much does 5 gallons of water weigh in lbs, kilos, and stones [2023]

Water is an important source of our lives, and we use it daily for multiple purposes. But people in different countries of the world use a metric system to weigh water using measurements such as lbs, kilos, and stones. So, if you are looking for complete information on “how much does 5 gallons of water weigh?”, please read this article until the end.

The knowledge about water measurement will help you if you are running a business or want to know about it. Usually, while shipping products, you may encounter questions like the measurement of the product or liquid. So, at that time, this knowledge will help you a lot. So, do you know the answer to “How much does a gallon of water weigh”? Well, the weight of a gallon of water is 8.34 pounds (lbs). So, by multiplying this number by 5 gallons, you get 8.34 x 5 = 41.7 pounds. In kilograms, the weight of water per gallon becomes 3.79 kgs, and for 5 gallons, it becomes 18.95 kgs.

Based on the above explanation, you must have understood about the 5 gallons to pounds and kilograms, but there are some other points that you should also know about in detail. These points are measuring the weight of a gallon of water in stones, the weight of 1 liter of water in other measurements, and checking the 5 gallons of water weight if it is frozen.

So, let’s explore this topic together and find out how much does a gallon of water weigh?

How much is the 5 gallon of water weight?

As we have seen earlier, the 5 gallons of water weight is around 41.7 lbs or 18.85 kgs. A gallon of water weight normally is around 8.34 pounds and 3.79 kgs. But, here, things get trickier as the accurate weight of the water depends on the temperature and pressure put on it. As you can see, 5 gallons of water weight becomes quite heavy, looking at the pounds and kilogram measurements.

The weight of the water changes as per the storage temperature, so while weighing, you may find some differences in the weight. While measuring the water, you must be sure of “how much does a gallon of water weigh?” at that time. If you have a slight change in your measurement, then the weight of the water will also vary.

Measuring water is not a one-time activity, but there will be slight changes every time you weigh, so you must know the precise calculation to avoid such common errors.

What is the actual weight of the water?

As we have briefly covered, the water’s weight depends on two major factors, which are; 1) temperature, and 2) pressure. But you can also weigh water by knowing how much salt it has in it. We know that saltwater is much heavier than freshwater, but have you wondered why? Well, salt water has a higher density than freshwater, making it heavier.

Density is the major point you should know when weighing water into any other measurement. As we have seen, 5 gallons of water weigh around 41.7 kgs, but that is for regular water. So, how heavy are 5 gallons of water if it is saltwater? Well, if you pour 5 gallons of saltwater and measure it, you will find it will weigh around 44 kg. That means the 5 gallon of water weight changes based on its density.

So, how much is the weight per gallon of water if cold? If the water is cold, it has more density than regular water, making it heavier. So, cold will turn the water into part-solid or solid, changing its weight from 41.7 kgs to higher. On the contrary, if you keep water at a higher temperature, it will become lighter.

Now, you must be clear about the actual weight of the water in terms of temperature and density. Now we will see the weight of 5 gallon water and temperature in detail.

How much does a gallon of water weigh in detail?

how much does a gallon of water weigh

At sea level, the weight of water per gallon is 8.34 lbs or 3.79 kgs, but changing its temperature will affect the weight, and you must be aware of the variables. Normally, in our houses, the refrigerator’s temperature is around 40 degrees Fahrenheit which is acceptable. But talking about the stores and average-sized refrigerators in malls, the temperature may be the same or higher. So, depending on the temperature, the weight of the water will be different.

The water weight per gallon in liters is around 3.785L, which is true for most parts. Now, you get 1 liter by summing up 1000 milliliters. If we add these numbers, the measurement weight of one gallon of water in milliliters would be around 3785.41 liters. If we want to know “how much does 5 gallons of water weigh in milliliters,” the answer will be  18927.1 liters.

You must have understood different water measurements, such as 5 gallons in pounds, liters, milliliters, etc. So, now you are aware of the numbers, and you can take precise measurements each time. Remember, you will see variations based on many factors while measuring the water.

How much does 5 gallons of water weigh in freezing conditions?

The weight per gallon of water changes depending upon the density, such as saltwater, or temperature, like hot or cold. But how much does it change? The frozen water’s weight per gallon is around 40.17 to 41.7 pounds (lbs) or 18.92 kgs, as we have seen before. So, if there is a slight change in the temperature, the weight will change accordingly.

Usually, in freezing conditions, many people keep the water around 30 to 60 degrees Fahrenheit. So, this is acceptable when you want to store cold water. So, based on your choices, you must select the temperature and weigh the water every time to get accurate results. Remember, the salt in the water will also change the weight when you measure it, even if it is cold.

How much does 5 gallons of water weigh in stones?

We have covered three questions earlier, which I have written down below,

  • How much does 5 gallons of water weigh in pounds, or how much does 5 gallons of water weigh in lb? – It weighs around 41.7 pounds or lbs.
  • How much does 5 gallons of water weigh in kilos? – It weighs around 18.82 kg.
  • How much does water weigh per pound while freezing? – It weighs around 40.17 lbs to 42.5 lbs.

Now how much does a stone weigh? Well, one stone equals 14 pounds and 6.3 kilograms. If you are clear with this comparison, we should know about the “stone,” the third measurement. Just like pounds and kilograms, this measurement measures human body weight. Stone measurement is quite popular in countries like Britain, Ireland, and Australia.

So, how much does a gallon of water weigh? A gallon of water in stones weighs around 2.98 St. If you know about this measurement, then you will not have to find a calculator to know about the measurement, so there will be no problem for you to go for long calculations.

Weight of 1 gallon of water using charts

We have seen all the measurements separately, so you might have had confusion understanding the accurate measurements about “how much does a gallon of water weigh?” Don’t worry; I have cleared your confusion by providing accurate details about different measurements in which you can know how heavy a gallon of water is!

Measurement Unit  Weight per gallon
Pounds 8.34 lbs
Kilograms 3.79 kg
Stones 0.596 st
Liter 3.78541L
Milliliter 3785.41 mL

Now, as per the above comparison, you must have no doubts about the measurements of the water. It is all about the right comparison so you keep the accuracy of the water weight per gallon. If you want to get the most accurate results, please also add the decimals. You can go right once you get the accurate result for the first time.


Now, we have looked at the weight of 1 gallon of water in different measurements and answered the most confusing question, “How much does 5 gallons of water weigh?” Depending on which measurement you want, I have provided your answer to all the measurements in this article. If you do not want to compare and calculate different measurements to reach one right answer, please save this article using the bookmark button.

Please don’t hesitate to drop comments below for any doubts, questions, feedback, suggestions, or opinion. I will read your comments and try to answer them.


How many pounds does a gallon of water weigh if it is freezing?

When freezing, the one gallon of water weighs around 8.34 lbs to 8.4 lbs.

How much does a 5 gallon bottle of water weigh in pounds?

The 5 gallon water bottle weighs around 41.73 lbs if you subtract the weight of the bottle from it.

What is the 5 gallon bucket of water weight?

Usually, the average weight of the plastic bucket is around 2 pounds, so if we add the numbers to 41.73 pounds, the number will be around 43 to 46 pounds or lbs.

How much does 5 gallons of water weigh for recipes?

The weight of the water depends on which item you want to use it for. Let’s see, you can homebrew a “Brew Beer” or cook pasta, rice, etc. 5 gallons is a lot of water, and you can do a lot with it. Such a large quantity will be useful for large batches of food.

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