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Wellness Center

Intake-Output Ratio

04/05/2010

Question:

Hi expert, what is the normal intake-output ratio? If I drink 2 litres of water, what is my urine volume which is normal for 2-l intake of water?

Answer:

Thanks for your question.  Normal urine output in a 24-hr period is about 1 1/2 liters of water.  If you drink 2 liters, you will likely urinate out about 1 1/2-2 liters in that time frame.

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Response by:

Lisa Cicciarello Andrews, MEd, RD, LD Lisa Cicciarello Andrews, MEd, RD, LD
Adjunct Faculty
University of Cincinnati