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How Much Water Do You Need To Be Hydrated?

So how much water do you need to drink to be adequately hydrated?

There are so many ideas out there.

  • 1 ounce of water per pound of body weight?
    • That would have me, at 200lbs, drinking 200 ounces or 5.8 litres of water per day.  Pretty sure I don't keep that up.
  • The Whole Life Challenge is saying 1/3 of an ounce of water per pound of body weight.
    • That has me at 67 ounces of water per day.  About the volume of 5 and a half bottles of beer.  Easily achieved but I definitely drink more water than that.

What about your environmental temperature? Activity level? The amount of water in the food we eat?

Well The Committee for Skeptical Inquiry has put together an great article debunking myths and and simplifying this subject for us.  Read the article here.

The article explains the root of many ideas we have about hydration.  It also takes a common sense approach to how much water you should drink?  After all the discussion this is what the article concludes with:

"Individual water requirements vary according to ambient temperature, physical activity, illness, and many other factors. It does not make sense for everyone to drink the same arbitrary quantities of water, whether eight to ten glasses or 200 ounces a day. There are two reliable guides to how much to drink:

  1. Thirst. Drink when you are thirsty. Not necessarily just water; other beverages will do.
  2. If your urine turns dark yellow instead of light yellow, and if you are urinating less frequently than usual, drink more fluids.

That’s all you need to know. Simple."

Ok.  Nice and simple right?  Although I remember hearing that if you are thirsty then you are probably dehydrated already.  Also if your urine is dark yellow then you are dehydrated? Arrrgghhh!!

Well lets look at this urine colour idea.  I think it works well as a barometer of your hydration level.  To be honest I am almost always endeavoring for clear coloured urine but apparently that would mean I am over hydrated.  Have a look at this infographic:

Haha!  No such thing as purple urine... I've been a little worried after a few big bowls of Borscht full of beets.

So all in all between all these ideas you should be able to get your hydration in the right ballpark. 

Hope this helps.  :-)