In order to answer the question of how much does a gallon of milk weigh we must first determine which gallon unit you re-measuring in. The most common three gallon units used in measurements are the U.S. liquid gallon, the U.S. dry gallon, and the U.K. gallon.

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## U.S. Liquid Gallon

The liquid U. S. gallon is the most common method of measuring milk, water, and other liquids throughout the United States. When using this measurement the densest milk would weigh 8.344 pounds.

The liquid gallon of measurement in the United States has 231 cubic inches of fluid. The cubic inch is determined by taking the container holding the liquid and multiplying the length of the container by the width of the container, and then taking that sum and multiplying by the depth of the container.

The liquid United States gallon is the equivalent of 3.785 liters.

## U.S. Dry Gallon

The dry gallon in the United States weighs more than the liquid gallon because the dry gallon is the equivalent of 268.8025 cubic inches which is 37.8025 more than the liquid United States gallon.

The dry United States gallon weighs 9.711 pounds at its densest concentration. The dry United States gallon weighs 1.367 pounds more than the liquid United States gallon.

The dry United States gallon is the equivalent of 4.405 liters. That is 0.62 more liters than the liquid United States gallon is.

## U.K. Gallon

The gallon of measurement in the United Kingdom is also called the imperial gallon. The imperial gallon weighs more than either the United States dry gallon or the United States liquid gallon. The imperial gallon of milk weighs 10.02 pounds when it is at its most dense concentration. This is 1.676 pounds heavier than the liquid United States gallon and 0.309 pounds heavier than the United States dry gallon.

The imperial gallon is the equivalent of 4.405 liters.

## Milk Weight VS Water Weight

Most people assume that milk is a liquid, and water is a liquid, so one gallon of milk should weigh the same as one gallon of water. This is not the case.

Milk contains fat and solids that are not fat. Milk is basically made up of four percent fat, nine percent solids other than fat, and between eighty seven, and eighty-eight percent water. The fats and solids that are not fat increase the weight of the milk liquid.

A gallon of water weighs roughly eight pounds, and a gallon of milk weighs roughly 8.344 pounds.

### Whole Milk Weight VS Skim Milk Weight

People naturally assume that whole milk weighs more than skim milk because whole milk contains a higher fat content than skim milk. This assumption is incorrect

Whole milk does contain more fat than skim milk, but once the fat is removed the skim milk weighs more than the whole milk because the fat is lighter in weight than the liquid that replaces that fat. You

### Density

The density of a liquid affects the total weight of the liquid. Milk that is denser will weigh more. The same is true of water, or any other liquid.

The temperature of the milk will affect the weight of the milk because the temperature affects the density of the liquid.

The weight increases due to hydrogen bonding in the liquid as it grows colder. The difference in weight of milk that is extremely cold versus milk that is room temperature is very slight, so the difference is usually not taken into consideration by packaging companies.

## The Skinny Facts about a Gallon of Milk

The weight of the milk is affected by the amount of fat the milk contains, the amount of solids other than fat the milk contains, the water amount in the milk, and the temperature of the milk.

Milk is available as whole milk, 2% milk, 1% milk, and skim milk.

Whole milk gets over half of its calories from fat. 2% milk gets one third of its calories from fat. To consume low fat milk you really need to drink either 1% or skim milk. Drinking these lower fat varieties will reduce your caloric consumption but will not reduce the amount of protein, calcium and other vitamins and minerals the liquid contains.

The milk from a mare weighs more than the milk from a cow because mares milk is only 1% fat while cow’s milk is 3.5% fat and fat is lighter than water. The milk form a reindeer weighs a lot less than the milk from a cow because reindeer milk is made up of 22.5% fat, which is 19% more fat than is in cow’s milk.

### How much does a quart of milk weigh?

Milk in its liquid form is measured in cups, pints, quarts, half-gallons, and gallons. It takes:

- 8 ounces to make a cup
- 2 cups to make a pint ( 16 cups to make a gallon)
- 2 pints to make a quart (8 pints in a gallon)
- 2 quarts to make a half-gallon (4 quarts to make a gallon)
- And 2 half-gallons to make a gallon

A gallon of milk weighs about 8.344 pounds. So:

- A cup of milk weighs about 0.52 pounds
- A pint of milk weighs about 1.403 pounds
- A quart of milk weighs about 2.086 pounds

### How much does a gallon of milk weigh in grams?

A gallon of milk weighs about 3.860.7 grams. You convert the weight of the gallon of milk by kilograms by remembering that one kilogram is the equivalent of 1000 grams. So one gram is the same as one thousand kilograms.

A cup of milk weighs 253.60517 grams. (These measurements and weights are using the liquid United States gallon weights and measurements)

### How much does a pint of milk weigh?

A gallon of milk weighs about 8.344 pounds according to the liquid United States gallon. It takes 8 pints to make up one gallon. To figure the weight of one pint of milk you simply take the weight of the gallon and divide that weight by 8.

8.344 divided by eight is 1.043. A pint of milk weighs about 1.043 pounds.

When weighing the milk you are putting into a recipe you should also know that there are 48 teaspoons in a liquid cup and 16 tablespoons in a liquid cup. A pint is 2 cups so there are 32 tablespoons in a pint and a tablespoon of milk weighs about 0.03259375 pounds.

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## Conclusion

Milk weight is changed by the coldness of the milk and by the amount of milk fats that are present in the milk. The milk fats weigh more than the water that replaces them when they are removed so as the milk fats are removed the weight of the liquid increases. This is fascinating because as the milk fats are removed the number of calories contained in the liquid is reduced.

Water, on the other hand, weighs less than milk because it contains NO milk fats, or solids other than fats.