To drink 87 oz of water How much is that?

Answer 1

87 ounces is about 11 glasses, considering most glasses are around 8 or so ounces. This also applies to bottled drinks, as many water bottles come in either 8 or 16 fluid ounce bottles. Some of this wtaer can come from other foods high in water, like certain fruits and vegetables (Like grapefruit or lettuce.)