One liter of water (1000 mL) weighs one kilogram (2.2 pounds). From these numbers, you can get a pretty good idea of what a given container will weigh when full: A water bottle (500 mL ...

My water bottle is attached to my hip. I carry it around the house all day, leave it by my bedside at night, and take it with me pretty much whenever I go on errands, walks, and trips. Before I ...