A 2 liter bottle of water weighs approximately 8.5 pounds or 3.9 kilograms.
A 2 liter bottle of water weighs about 67.6 ounces, or 4.3 pounds. This is based on the average weight of water, which is 8.34 pounds per gallon. So, a 2 liter bottle of water would be just over half a gallon.
How Much Does a Liter of Water Weigh Kg
A liter of water weighs one kilogram. This is because a liter is defined as the volume of one cubic meter, and a cubic meter of water weighs one tonne (1000 kilograms). Therefore, one liter of water must weigh one thousandth of a tonne, or one kilogram.

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How Much Does a Liter Weigh?
A liter of water weighs one kilogram. This is due to the fact that a liter is equal to the volume of one kilogram of water. The weight of a liter of other substances will vary based on the density of the substance.
For example, a liter of air weighs much less than a liter of water because the density of air is much less than the density of water.
How Many Pounds Does 1 Liter Weigh?
The answer may surprise you, but 1 liter of water actually weighs 2.2 pounds! That’s because a liter is a unit of volume, not weight. So how can something that has no mass weigh anything at all?
It all has to do with density.
Water is pretty dense, so even though it doesn’t weigh very much per unit of volume, it still has some weight when you add up all the units of volume. For example, a quart of water (which is about 4 cups or 1 liter) weighs 9 pounds!
So if you’re ever wondering how much something weighs without having a scale handy, just remember that 1 liter of water equals 2.2 pounds.
How Many Ounces is 2 Liters?
There are approximately 33.8 ounces in 1 liter, so 2 liters is approximately 67.6 ounces.
How Many Pounds is 4 Liters?
One liter of water weighs about two point two pounds, so four liters of water would weigh approximately eight point eight pounds.
How Much Does A Gallon Of Water Weigh?
Conclusion
A 2 L bottle of water weighs about 8.4 pounds.
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