Worked example
Here is a simple Water Intake example:
75 kg × 35 ml plus 30 minutes activity → approximately 2.98 L.Daily Water Intake Calculator
Estimate a general daily fluid target from body weight and activity.
Base water estimate2,625 ml
Activity allowance350 ml
General educational estimate only; it is not medical advice.
Practical guide
Daily Water Intake Calculator
Common mistakes to avoid
- Food and other drinks also provide fluid.
- Needs change with climate, health and pregnancy.
- Seek medical advice for fluid restrictions.
Frequently asked questions
What does the Water Intake calculate?
Estimate a general daily fluid target from body weight and activity.
Which formula is used?
Estimate = weight × 35 ml + activity allowance
Can I rely on this result?
Use the result as a planning estimate. Check important financial, tax, legal, investment, or health decisions with a qualified professional.