Estimate daily water needs using the body-weight rule — typically 30–35 ml per kg.
Water Intake by Body Weight
Water Intake by Body Weight. Liters per kg body weight rule. Fast, accurate, private.
Suggested water
2.9 L / day
≈ 12 cups (250 ml)
Steps
- Open the calculator
- Enter your values
- Read the result instantly
Related
FAQ
Are results official?
No — quick estimates only. Confirm with your bank or provider.
Is data saved?
No. Calculations run in your browser.
Where is the full tool?
Each satellite links back to the main hub calculator.