A liter of pure water weighs at most 1 kilogram (at 4 degrees Centigrade). This is about 2.2 pounds.
Water at higher temperatures is less dense and will weigh slightly less.
Chat with our AI personalities
How much what? A liter is the same as a cubic decimeter, or 1/1000 of a cubic meter. In the case of water, a liter of water has a mass of approximately 1 kg.