Water intake calculator
Hydration needs rise with activity — get a daily target you can track.
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Your inputsDaily hydration scales with body weight and activity. Drink more if you train hard or sweat heavily.
Weight and activity level.
Your results
Suggested daily hydration.
Daily target
2.8L
2,818 mL · 95 oz · ~11 glasses (250 mL)
Estimate only · not medical advice
Log water in macro
Track glasses, mL, or oz toward your daily goal.
Water intake guide →