💧 Free Tool · Daily Tracker

Water Tracker

Find your daily water intake goal and track your hydration with an interactive cup tracker.

💧 Your Details
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📊 Your Hydration Target
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Enter your details to see your daily water intake goal.

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The Science

The common "8 glasses a day" is a rough guideline. Actual needs depend on body size, activity, climate, and diet. About 20% of daily water comes from food.

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Signs of Dehydration

Dark urine, fatigue, headaches, dry mouth, and decreased focus are early signs. Mild dehydration (1–2% body weight) can impair physical and cognitive performance.

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Hydration Tips

Drink a glass before each meal, keep a water bottle at your desk, and eat water-rich foods (cucumbers, watermelon, oranges). Urine should be pale yellow.

Common Questions

How much water should I drink per day?

The National Academies recommend about 91 oz (2.7L) for women and 125 oz (3.7L) for men total daily water from all sources (beverages + food). This calculator adjusts for your weight, activity, and climate.

Does coffee and tea count toward water intake?

Yes — caffeinated beverages do contribute to hydration despite mild diuretic effects. The net hydration effect is still positive. However, plain water is always best as the primary hydration source.

Can you drink too much water?

Yes — overhydration (hyponatremia) can occur when drinking excessive water rapidly, diluting sodium levels in the blood. This is rare in everyday life but can occur during extreme endurance exercise. Spread your intake throughout the day.

How Much Water Should I Drink Per Day?

The National Academies of Sciences recommends about 91 ounces (2.7 liters) of total water per day for women and 125 ounces (3.7 liters) for men from all sources including food and beverages. However, your individual needs depend on your body weight, activity level, climate, and other health factors. Our water intake calculator personalizes your daily hydration goal based on these factors.

Signs You Are Not Drinking Enough Water

Early signs of dehydration include dark yellow urine, fatigue, headaches, dry mouth, and difficulty concentrating. Even mild dehydration of just 1-2% of your body weight can impair physical performance and cognitive function. The simplest way to check your hydration is your urine color — it should be pale yellow throughout the day.

Tips to Drink More Water Every Day

Keep a water bottle at your desk and refill it throughout the day. Drink a glass of water before each meal. Eat water-rich foods like cucumbers, watermelon, and oranges. Set reminders on your phone every hour. Use our daily water tracker above to log each cup you drink and stay on track toward your hydration goal.

Does Coffee and Tea Count as Water Intake?

Yes — despite the common myth, caffeinated beverages like coffee and tea do count toward your daily hydration. While caffeine has a mild diuretic effect, the net fluid contribution is still positive. A cup of coffee provides slightly less hydration than the same amount of water, but it absolutely contributes to your daily fluid intake. Sodas, juices, and sports drinks also count, though plain water is always the best primary hydration source due to the absence of sugar, calories, and additives.

About 20% of daily water intake comes from food, particularly fruits and vegetables with high water content. Cucumbers (96% water), lettuce (95%), celery (95%), tomatoes (94%), and watermelon (92%) are among the most hydrating foods. Eating a diet rich in these foods can meaningfully contribute to your hydration without drinking additional fluids.

Hydration and Weight Loss

Staying well hydrated supports weight loss in several ways. Drinking water before meals can reduce hunger and lead to consuming fewer calories. Sometimes what feels like hunger is actually thirst — staying hydrated helps you distinguish between the two. Proper hydration also supports metabolism and helps the body efficiently burn fat for energy.

Use our water tracker above to calculate your personalized daily water goal based on your weight, activity level, and climate. Then track your cups throughout the day to build the habit of consistent hydration.