A standard U.S. gallon contains exactly 128 fluid ounces. Your average disposable water bottle is 16.9 ounces (that’s the half-liter size you grab at the store). Now do the math, and you’ll get roughly 7.57 bottles per gallon. That’s right—seven and a half bottles of water make up one gallon.
But wait! Don’t stop reading yet, because this little fact can change how you think about your day.
