Daily Water Intake Calculator
Find out how much water you need each day. Proper hydration boosts energy and health.
Why Hydration Matters
Daily water: ~8 glasses for average adult, more with exercise
Hydration Benefits
- Energy: Even mild dehydration reduces energy
- Focus: Brain is 75% water
- Skin: Hydration improves skin health
- Digestion: Water aids nutrient absorption
Frequently Asked Questions
How many glasses of water a day?
6-10 glasses (250ml each) depending on weight and activity. This calculator gives you the exact number.
Should I drink more in summer?
Yes! Hot weather increases fluid loss through sweating. Add 1-2 extra glasses.