Find out how much water you should drink daily based on your body weight, activity level, and climate. Stay hydrated, stay healthy.
Your body is 55–60% water. Every cell, tissue, and organ depends on it to function properly.
Even mild dehydration (1–2%) can impair mood, memory, concentration, and increase anxiety. Your brain needs consistent hydration to perform at its best.
Dehydration thickens your blood, making your heart work harder. Proper hydration supports healthy blood pressure and cardiovascular function.
Water supports the production of lymph, which carries white blood cells and nutrients throughout your body. Dehydration weakens your immune response.
Water lubricates joints and cushions tissues. Dehydrated muscles cramp more easily and fatigue faster during exercise.
Many people are chronically dehydrated without realizing it. Watch for these common signs.
Thirst, dry mouth, slightly darker urine, mild headache, fatigue, decreased appetite. Most people experience this daily without noticing.
Dry skin, sunken eyes, rapid heartbeat, low blood pressure, dizziness when standing, reduced urine output (dark yellow/amber), muscle cramps.
Confusion, extreme thirst, no sweating, rapid breathing, shriveled skin, low blood pressure, weak pulse. Seek emergency medical attention immediately.
About 20% of your daily water intake comes from food. Add these hydrating foods to your diet.
One of the most hydrating foods. Add to salads, raita, or snack on slices with hummus.
Perfect summer fruit. Also provides electrolytes like potassium and magnesium lost through sweat.
Rich in vitamin C and water. A medium orange provides about half a cup of water.
Spinach, lettuce, and celery are excellent hydrating vegetables with minimal calories.
A general guideline is weight (kg) × 0.033 = liters per day. For a 70 kg person, that's about 2.3 liters. Adjust upward for exercise (add 0.5–1L per hour of activity), hot climate (+0.5L), and if you're pregnant or breastfeeding.
Yes! While caffeine is mildly diuretic, the water in coffee and tea still contributes to hydration. Moderate consumption (3–4 cups) does not cause dehydration. However, plain water should still be your primary source.
Yes. Overhydration (water intoxication) can dilute blood sodium levels, causing hyponatremia — a dangerous condition. This is rare but can occur if you drink extreme amounts (several liters in a short time). Drink steadily throughout the day, not all at once.
The simplest indicator is urine color: pale yellow to clear = well hydrated. Dark yellow = dehydrated. Other signs: you rarely feel thirsty, your skin is elastic, and you urinate every 2–4 hours.
Drinking small amounts during meals is fine and can aid digestion. However, drinking large amounts right before or during meals may dilute stomach acid and affect digestion for some people. A glass 30 minutes before meals is ideal.
Yes. Drinking water before meals can reduce calorie intake by 75–90 calories per meal. Water boosts metabolism by 24–30% for about an hour after drinking. Replacing sugary drinks with water eliminates hundreds of empty calories daily.