The Water Intake Calculator helps you determine how much water you should drink daily based on your weight, age, gender, and activity level.
The Water Intake Calculator helps you estimate your optimal daily water requirement based on your weight, age, activity level, climate, and goals. Proper hydration supports energy, cognition, metabolism, skin health, and athletic performance. Use this tool to set a realistic daily target and track progress.
✅ Daily water goal (liters/ounces) based on body weight and lifestyle
✅ Extra fluids needed for exercise, hot/humid weather, or pregnancy/lactation
✅ Hourly hydration guide and suggested bottle refills
✅ Reminders & pacing tips to hit your target safely
⚖️ Adapts to weight, activity minutes, and climate
🏃 Adds workout water (before/during/after exercise)
🌤️ Optional heat/humidity multiplier for hot days
🤰 Includes pregnancy and breastfeeding adjustments
🧊 Tips on electrolytes for long/intense workouts
Anyone wanting a personalized daily hydration goal
Athletes and gym-goers optimizing performance
People in hot climates or with physically demanding jobs
Pregnant or breastfeeding individuals needing higher intake
Desk workers who forget to drink regularly
Sip consistently throughout the day—don’t chug liters at once. Use a marked bottle (e.g., 750 ml) and aim for steady refills aligned with your schedule. Add electrolytes if you sweat heavily or train >60 minutes.
🏋️ Calorie Calculator – Match hydration to training load
🥗 Macro Calculator – Align protein/carbs/fats with performance
❤️ Target Heart Rate Calculator – Train safely in the right zone