A gallon of milk weighs 8.6 lb (US estimations) and in metric that is about 3.9kg. A quart of milk is 2.15 lb. Compare milk with the weight of a gallon of water which weighs 8.34 pounds.

The majestic (UK) gallon was lawfully characterized as 4.54609 liters so it differs with the US gallons. here we are going to use US measurements.

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Milk is somewhat denser than water however milk is 90% water. The rest 10% is semi solid mass like fat and spread. So the thickness of milk really relies upon this amount of mass to a great extent.

While the thickness of water is around 1 kilogram for each liter, milk has a higher thickness. This estimation likewise relies upon the sort of gallon. The U.S. fluid gallon is lawfully characterized as 231 cubic inches,[2] and is equivalent to precisely 3.785411784 liters or about 0.133680555 cubic feet.

Presently how could we show up at the weight of milk as 8.6lb?

Another way to compute would be this way. A gallon of milk weighs likewise approximately out at 3.785 L. In this way, the mass will be around 3.785 multiplied by 1.02 and we get around 3.8607 kilograms.