How Much Water Should I Drink in a Day?
It’s a question we’ve all asked: How much water is enough? Some people say eight glasses, others say half your body weight in ounces, and still others suggest just sipping when you’re thirsty. So… what’s the truth?
The Science (in Simple Terms)
Your body is about 60% water. That means every system inside you—from your brain to your digestion to your skin—relies on water to work well.
Most health experts (including the U.S. National Academies of Sciences) recommend the following daily water intake from all sources (drinks + food combined) for healthy adults in a moderate climate:
- About 2.7 liters (91 oz or 11.5 cups) for women
- About 3.7 liters (125 oz or 15.5 cups) for men
That’s not all from water alone—foods like watermelon, cucumber, and soups also count. But it still means most women should aim for around 9 cups of fluids daily—and more if you’re active, breastfeeding, or it’s hot outside.
What That Looks Like Practically
Because life isn’t a lab, here’s a better way to think about it:
- Start with a glass of water in the morning—before coffee.
- Sip throughout the day, not just when you’re “parched”.
- Drink more when you sweat.
- Choose water-rich foods like fruits and veggies.
- And trust your body’s early signs of dehydration: dry mouth, low energy, dull skin, headaches, or crankiness.
If you’re asking yourself, “Am I drinking enough?”—there’s a good chance you’re already aware that you could use more.
Make It Easy (and Fun)
Plain water is great, but it doesn’t have to be boring. Hydration can be beautiful:
- Add sliced fruit or herbs for flavor and mood (infused water, anyone?)
- Use a favorite bottle or glass that makes sipping feel special
- Pair it with an affirmation, or pause to check stress levels or stretch
You don’t need perfection—you just need consistency. And maybe a little sparkling water in your glass.
So, how much water should you drink?
Enough that your body feels clear, energized, and cared for.
And if you’re not there yet, that’s okay. One more glass today than yesterday is a win worth celebrating.
Want to know how much water your body requires?
Try our 14 Day Hydration Challenge.
Learn about hydration for your age, the signs of dehydration (because you’re dehydrated before you feel thirsty), and experience how more water in your day affects you personally. See the benefits!
30 infused water recipes to make it fun & easy to drink 8 cups of water.
Want to learn more about hydration and women’s health?
Discover all our information on hydration for women’s health, infused water recipes to make drinking water palatable, and hydration challenges & trackers at the Ultimate Guide to Hydration for Women: Daily Habits for Women’s Wellness & Vitality.
