Daily habits
Hydration estimate
A gentle starting range for daily fluids. Needs change with heat, illness, and medical conditions.
This blog shares general health education from a registered nurse. It is not medical advice, diagnosis, or treatment. Always speak with your own healthcare provider about your personal situation.
About 2.0–2.4 L / day
Roughly 69–81 fl oz as a soft starting range.
Fluid needs vary with climate, illness, pregnancy, kidney or heart conditions, and clinician guidance. Some people must limit fluids — follow your care team if you have medical restrictions.