The National Academies of Sciences, Engineering, and Medicine actually has a number. For men, it’s about 125 ounces a day. For women, it’s 91 ounces.
Before you panic—that includes water from food. A juicy apple or a bowl of soup counts! So you’re not chugging three gallons from a hose like a cartoon character.
The Pee Test (Don’t Skip This)
Forget the math for a second. The best gauge is your own toilet bowl. If your urine is the color of lemonade, you’re golden. If it’s the color of apple juice, you’re a raisin slowly drying out.
If it’s completely clear, you’re overdoing it. You’re basically a water balloon waiting to pop. Nobody needs that kind of stress.