Base
2,450 ml
Health
Water Intake Calculator
Estimate daily water intake from body weight.
Water intake
2,810 ml
Water target uses weight and active minutes.
💧
Hydration goal
Stay hydrated!
Your daily target is 2,810 ml. Most people are chronically dehydrated — keep a water bottle nearby and sip throughout the day.
Activity add-on
360 ml
FAQs
How does the Water Intake Calculator work?
Enter the required values and the Water Intake Calculator updates instantly in your browser.
Is the Water Intake Calculator free to use?
Yes. The calculator is free, mobile-friendly, and does not require signup.
Can I use the Water Intake Calculator on mobile?
Yes. Inputs and result cards are designed for mobile-first usage.
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Frequently asked questions
How does the Water Intake Calculator work?+
Enter the required values and the Water Intake Calculator updates instantly in your browser.
Is the Water Intake Calculator free to use?+
Yes. The calculator is free, mobile-friendly, and does not require signup.
Can I use the Water Intake Calculator on mobile?+
Yes. Inputs and result cards are designed for mobile-first usage.
Is the Water Intake Calculator accurate?+
The Water Intake Calculator gives instant estimates based on standard formulas. Results are for planning purposes and may vary from official bank, tax, or institutional outcomes due to compounding frequency, fees, and rule changes.
Do I need to sign up to use the Water Intake Calculator?+
No. The Water Intake Calculator on CalculateAge Pro is completely free and requires no account or signup. All calculations run in your browser and no data is stored.
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Last updated: June 2026 · Results are estimates for planning purposes only.