Hydration Calculator
Calculate daily water needs and workout sweat rate for optimal performance
💧 Daily Hydration Needs
💦 Workout Sweat Rate
Weigh yourself dry (towel off sweat first)
Why Hydration Matters for Fat Loss
Even mild dehydration (2% body weight) reduces metabolic rate by 2-3% and impairs fat oxidation. Dehydration also mimics hunger signals - many people eat when they're actually thirsty.
Proper hydration supports lipolysis (fat breakdown), increases thermogenesis, improves workout performance, and reduces perceived exertion. Our recovery research details how hydration affects training adaptation and body composition.
Hydration Tips
- Drink 16-20 oz upon waking to rehydrate from sleep
- Consume 500ml (17 oz) 2 hours before exercise
- Monitor urine color: pale yellow = hydrated, dark = dehydrated
- Add electrolytes (sodium) for workouts >60 minutes or heavy sweating
- Don't wait until you're thirsty - thirst indicates 1-2% dehydration already
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