Daily Water Intake Calculator
Estimate how much water you should drink daily based on your body weight.
- Free Online Tool
- Instant Results
- Mobile Friendly
- No Installation
- Secure & Private
Understanding This Calculator
Hydration Formula
General recommendations suggest drinking a specific amount of water proportional to your body weight.
Daily Water (mL) ≈ Weight (kg) × 35
- 35: Constant (mL per kg of body weight)
Example 1
Weight 60 kg.
- Calculation: 60 × 35
- Goal: 2,100 mL (2.1 Liters)
Example 2
Weight 80 kg.
- Calculation: 80 × 35
- Goal: 2,800 mL (2.8 Liters)
Note: Limit intake if you have medical restrictions. Increase intake if exercising or in hot weather.
How to Use
- Enter your weight.
- Click Calculate.
Frequently Asked Questions
Is this medical advice?
No, this tool is for informational purposes only. Always consult a healthcare professional for medical advice.
Is this calculator free to use?
Yes, this calculator is 100% free and does not require any registration or subscription.
Is it mobile-friendly?
Absolutely! Our tool is optimized for all devices, including mobile phones, tablets, and desktop computers.