20 Water-Rich Foods That Count Toward Your Daily Hydration

Did you know that food provides roughly 20 percent of your daily water intake — and significantly more if you eat a lot of fruits and vegetables? Water-rich foods not only contribute to hydration but also deliver fiber, vitamins, minerals, and antioxidants that plain water cannot. This guide showcases 20 of the most hydrating foods, with water content percentages, nutritional highlights, and tips for incorporating them into your diet.

Why Water-Rich Foods Matter

The water in food is absorbed more slowly than the water in beverages, which means it stays in the body longer and provides more sustained hydration. Foods with high water content also tend to be low in calories, making them ideal for weight management. And because water-rich foods are usually fruits and vegetables, they come packaged with fiber (which slows sugar absorption and supports gut health), vitamins, minerals, and phytonutrients that protect against chronic disease.

The U.S. National Academies estimates that about 20 percent of daily water intake comes from food, with the remaining 80 percent from beverages. If you eat a diet rich in fruits and vegetables, your food contribution may be closer to 25 or 30 percent. Conversely, if your diet is mostly dry processed foods (bread, crackers, chips, cookies), your food contribution may be only 10 to 15 percent, and you will need to drink more water to compensate.

The 20 Most Hydrating Foods

1. Cucumber — 96% Water

Cucumbers are the most hydrating food on this list at 96 percent water. A single medium cucumber provides about 240 ml of water along with small amounts of vitamin K, potassium, and antioxidants. Cucumbers are incredibly versatile — slice them into salads, add them to sandwiches, infuse water with them, or eat them as a snack with hummus.

2. Iceberg Lettuce — 96% Water

Iceberg lettuce gets criticized for being less nutritious than darker greens, but it is one of the most hydrating foods available. Use it as a base for salads, in sandwiches, or as a low-carb wrap for tacos and burgers. For a more nutrient-dense option, mix with romaine (95% water) or spinach (91% water).

3. Celery — 95% Water

Celery is famously low in calories (about 6 calories per stalk) and high in water. It provides small amounts of vitamin K, potassium, and folate. Celery's satisfying crunch makes it a great snack with peanut butter or cream cheese, and it adds bulk to soups, stews, and salads without adding many calories.

4. Zucchini — 94% Water

Zucchini is a versatile summer squash that is 94 percent water. It is rich in vitamin C, manganese, and antioxidants. Spiralize it into "zoodles" as a pasta substitute, grill it as a side dish, grate it into muffins and breads, or slice it into salads. Zucchini's mild flavor makes it easy to incorporate into almost any meal.

5. Watermelon — 92% Water

Watermelon is the quintessential summer fruit, and its name says it all — it is 92 percent water. A single cup of cubed watermelon provides about 140 ml of water along with vitamin C, vitamin A, potassium, and the antioxidant lycopene, which may protect against certain cancers. Watermelon is delicious on its own, in fruit salads, or blended into refreshing summer drinks.

6. Strawberries — 91% Water

Strawberries are 91 percent water and packed with vitamin C (more per serving than an orange), manganese, and antioxidants called anthocyanins that give them their red color. Eat them fresh as a snack, slice them into oatmeal or yogurt, blend them into smoothies, or use them to top salads.

7. Cantaloupe — 90% Water

Cantaloupe is 90 percent water and an excellent source of vitamin A (from beta-carotene) and vitamin C. A single cup provides your full daily value of vitamin A. Cantaloupe pairs well with prosciutto as an appetizer, in fruit salads, or on its own as a refreshing breakfast.

8. Peaches — 89% Water

Peaches are 89 percent water and provide vitamin C, vitamin A, potassium, and fiber. They are delicious fresh in summer, grilled as a dessert, or sliced into yogurt and cottage cheese. Choose fresh or frozen peaches over canned, which often contain added sugar.

9. Oranges — 87% Water

Oranges are 87 percent water and famous for their vitamin C content — a single medium orange provides about 70 mg, near your daily requirement. Oranges also provide folate, potassium, and fiber. Eat them fresh rather than juiced to get the full fiber benefit, which slows sugar absorption and keeps you full longer.

10. Grapefruit — 88% Water

Grapefruit is 88 percent water and rich in vitamin C and vitamin A. It also contains compounds called naringenin that may support metabolic health. Grapefruit can interact with certain medications, including statins and blood pressure drugs, so check with your pharmacist if you take medication.

11. Pineapple — 86% Water

Pineapple is 86 percent water and contains the enzyme bromelain, which aids protein digestion and may have anti-inflammatory effects. Pineapple is an excellent source of vitamin C and manganese. Fresh pineapple is far superior to canned, which is often packed in syrup.

12. Tomatoes — 94% Water

Tomatoes are 94 percent water and rich in lycopene, vitamin C, potassium, and folate. Cooking tomatoes actually increases lycopene absorption, so tomato sauce and soup are excellent choices. Eat tomatoes fresh in salads, sliced on sandwiches, cooked into sauces, or roasted as a side dish.

13. Bell Peppers — 92% Water

Bell peppers are 92 percent water and contain more vitamin C than oranges. Red bell peppers are the most nutritious, with high levels of vitamin A and antioxidants. Slice them into salads, dip them in hummus, stuff and bake them, or stir-fry them with other vegetables.

14. Cauliflower — 92% Water

Cauliflower is 92 percent water and has become a popular low-carb substitute for rice, pizza crust, and mashed potatoes. It is rich in vitamin C, vitamin K, and folate, and contains compounds called glucosinolates that may have cancer-protective effects.

15. Broccoli — 89% Water

Broccoli is 89 percent water and a nutritional powerhouse, with high levels of vitamin C, vitamin K, folate, fiber, and cancer-fighting compounds. Steam, roast, or stir-fry broccoli — overcooking destroys some nutrients, so keep it slightly crisp.

16. Spinach — 91% Water

Spinach is 91 percent water and one of the most nutrient-dense foods available. It is rich in iron, calcium, magnesium, potassium, vitamin A, vitamin C, vitamin K, and folate. Add spinach to salads, smoothies, soups, pasta dishes, and eggs.

17. Yogurt — 85% Water

Plain yogurt is about 85 percent water and provides protein, calcium, probiotics, and vitamin B12. Choose plain, unsweetened yogurt and add fresh fruit for flavor. Yogurt is also an effective post-exercise recovery food because it provides both fluid and protein.

18. Cottage Cheese — 80% Water

Cottage cheese is 80 percent water and very high in protein — a single cup provides about 25 grams. It is also a good source of calcium and B vitamins. Eat it with fruit, on toast, or in savory dishes.

19. Soup (Broth-Based) — 90%+ Water

Broth-based soups are mostly water and can be a significant source of hydration. They also provide electrolytes (sodium, potassium) and are easy to digest, making them ideal when sick. Choose broth-based soups over cream-based for lower calories and higher hydration.

20. Coconut Water — 95% Water

Coconut water is 95 percent water and naturally rich in potassium (more than a banana), with some sodium and magnesium. It is a natural alternative to sports drinks for light to moderate exercise hydration. Choose plain coconut water without added sugar.

Putting It All Together

Incorporating water-rich foods into every meal is one of the easiest ways to support hydration. Start your day with yogurt and berries, have a large salad with cucumbers, tomatoes, and bell peppers for lunch, snack on watermelon or strawberries in the afternoon, and include a broth-based soup and steamed vegetables with dinner. This simple approach can add 500 to 1,000 ml of water to your daily intake from food alone.

Remember that water-rich foods complement but do not replace the need for beverages. Calculate your total daily target with our Daily Water Intake Calculator, and use water-rich foods to contribute 20 to 30 percent of that target, with the rest coming from water and other healthy beverages. For a deeper look at how different beverages contribute to hydration, see our guide to water vs other beverages.