Daily Water Intake Calculator
Estimate daily water needs from body weight.
Daily water (litres)2.45
Glasses (200 ml)13
How it is calculated
Water (L) = weight × 0.035. Needs vary with heat, activity and health.
Worked example
| Daily water (litres) | 2.45 |
| Glasses (200 ml) | 13 |
FAQ
Who should be careful?
People with kidney or heart conditions should follow their doctor.
Are the results exact?
Results are estimates for information only; check official sources for binding figures.