Water Intake Calculator
Calculate your recommended daily water intake based on weight, activity level, and climate.
Details
Recommendation
—
Litres Per Day
💧 Formula
Calculation Method
- Base: ~35 ml per kg of body weight.
- Added: 500–1000 ml for moderate-intense activity.
- Added: 250–500 ml for hot climate.
- This aligns with IOM and WHO general guidelines.
🎯 Tips
Stay Hydrated
- Drink before you feel thirsty
- Pale yellow urine = well hydrated
- Increase during illness, fever, or travel
- Tea, coffee, fruits count toward intake too
⚠️ This tool provides estimates for general reference only. Results may vary based on individual factors. Always consult a qualified healthcare professional before making health decisions.