everyday-health Verified Precision Tool
Daily Water Intake Calculator
Calculate optimal daily water hydration based on weight, exercise duration, and ambient climate.
Mathematical Formula
Base Water (L) = Weight (kg) * 0.035 + (Exercise Mins / 30) * 0.35 L
Overview & Explanation
Hydration calculations establish daily fluid replacement targets accounting for body mass and workout sweat loss.
How It Works
- Calculates baseline 35ml per kg weight.
- Adds 350ml per 30 minutes of physical activity.
Practical Applications
- Daily health hydration.
- Athletic performance recovery.
70 kg with 45 min workout
Calculate total daily water intake goal.
1
Baseline fluid
70 * 0.035
= 2.45 Liters
2
Exercise adjustment
(45 / 30) * 0.35
= +0.52 Liters
3
Total water target
2.45 + 0.52
= 2.97 Liters
Frequently Asked Questions
Does coffee count toward daily fluid intake?
Yes, caffeinated beverages contribute to total fluid intake.
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