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does water weigh more frozen

Does Ice Weigh More Than Water? Which Is Heavier?

I do not wish to bore you with who came first or anything like that. But what weighs more – ice or water? This question is similar to the one several people asked me when I was a kid – does a pound of feather weigh more than a pound of lead? Even though we all have been in school, some things subconsciously force us to think twice. Well, the following article aims to clear your doubts. Please go through all the sections right now.

Does ice weigh more than water?

Does water and ice weigh the same? Or does ice weigh more than water? Is it possible that ice weighs less than water? According to multiple surveys conducted, ice is not heavier than water. If you weigh water and ice of the same volume in different containers, you will find out that the container with water weighs much more than that with ice.

The reason is water occupies less space but has a substantial volume. Also, water has different forms and molecular dependency. When water is in varied states – solid or liquid or gas – the volume changes as per the weight and density.

When debating on weight of ice vs water, you must know that ice has distinct molecules in water that continues expanding, thus, requiring space. One study suggested that the volume of ice is approximately 9% and more than water. During the process of water converting into ice, the molecules start occupying more space. This is why ice floats over water.

Is the weight of one-gallon water the same as frozen?

If you freeze water does it weigh more? No matter if water is in liquid state or frozen, it will have the same weight but more volume. 1kg of water weighs the same, be it liquid or frozen, but the volume of one liter water, in liquid state, is a bit more than one liter water, in frozen state.

Warm water and cold water do not weigh the same. The former weighs less than the latter. For example, water weighs around 8.30lbs in 500 degree Fahrenheit but it weighs 8.03lbs in 2000 degree Fahrenheit.

The density of water reaches 10.02lbs usually but when it dries, it can reach a limit of around 9.71lbs. Temperature tends to change the weight of one gallon of water. Since ice has less density than water, a similar amount of ice weighs lesser than the weight of water.

Why does ice weigh less than water?

Why does ice weigh less than water? Density, temperature, volume, structure, and gravitational force are usually held responsible. To know more about these factors in detail, please continue reading.

is water more dense than ice


The shape of the atoms present in water are bent and they attract one another. Although water has the same weight, whether it is in frozen or melted state, it is heavier because of a huge volume and less density.

One kilogram of water occupies the same area as one kilogram of ice but the latter will melt quickly. Plain water weighs more than ice cold water. The optimal density is around 4 degrees Celsius.


Temperature is something you must consider when determining the energy preserved in water. Higher temperature means more energy. More energy compels the water molecules to vibrate.

When the energy of water increases, its density drops down. As a gallon is a fixed space, the quantity of water molecules in it will change as per the changing levels of energy.


When an ice cube melts, the level of water stays the same. A floating ice has the same volume of water as its weight. An ounce of water in its frozen state has more volume than an ounce of water in its liquid state.


The weight of water is largely impacted by gravity and atmospheric pressure. One gallon of water will weigh less on the moon than it weighs on Earth. It will weigh more on Jupiter.

How much does ice weigh more than water?

You have already found out the answer to the question – does ice weigh less than water? Now it is time to learn how much ice weighs more than water. A gallon or 8.35 pounds of frozen water is equal to 8.35lbs of ice. But you will get an extra 0.028 liter because ice is not as thick as water.

Water at room temperature is comparatively denser than ice and even water at a higher temperature. The molecules in ice are far away from the ones in water due to the hydrogen atoms’ polarity. Therefore, ice has less density than water.

How much water does a gallon of water make?

According to the measurement system prevalent in the United States, a gallon of water weighs 8.33lbs at a normal temperature. How much does a gallon of ice weigh? Well, a gallon of ice weighs 9% less than one gallon of water.

Does ice weigh more when it melts?

Does water weigh more frozen? Although liquid and frozen water have different names and also different properties, their weight remains the same. Moving onto the next question – does ice weigh more when it melts? The ice’s volume decreases and it becomes denser. The density will escalate from 0.92g to 1g. The weight of ice would obviously escalate after melting.

How much water does 1kg of ice make?

The water has the same weight as ice. Since ice is less not as dense than normal water, it will take a bit more space. The density of liquid water is 1g per mm. So, 1 liter or 1000ml weighs 1000g or 1kg.

Which has a greater mass, 1 liter of water or 1 liter of ice?

Water has more density than ice. Ice’s value is around 0.9168g per centimeter cube and water’s is 0.9998g per centimeter cube. So, if you use a constant amount of water and ice, water will have more mass than ice.


Let’s answer three most frequently asked questions about ice and water.

1 kg of ice, how much water?

1kg of ice has around 1.091 liter of water.

Do all liquids weigh the same?

All liquids do not weigh the same. Each liquid has a different molecular volume and density. The weight of a liquid depends on its density.

What does 1-gallon water weigh?

One gallon of water weighs around 8.3 pounds.

Final Thoughts

To conclude, ice weighs much less than water. The weight and volume of water, both in its liquid and frozen state, is determined by a lot of factors, most of which are mentioned above. Please refer to them the next time you have confusion. Thank you for reading.

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