Daily Water Intake Calculator
Formula
Liters = Weight (kg) × 0.033
A general guideline is to drink about 33 mL of water per kilogram of body weight. Active people and those in hot climates may need more.
Frequently Asked Questions
How much water should I drink?
A 70kg person should drink about 2.3 liters (≈10 cups) per day. Adjust up for exercise and heat.
Does coffee count?
Moderate coffee intake (1-3 cups) contributes to hydration despite mild diuretic effects.