Archive for March 9th, 2015

How many grams in an ounce?

March 9, 2015

Converting between units can be hard, as seen before (and before and before).  Fortunately, food containers often include both English units and Metric units.  Unfortunately, those two don’t always match.  Take, for example, Producers Sour Cream.  Their 32 oz container says it has 907 grams, which is about what you’d expect.  The 16-ounce container has half has many.  Not half of 907, but half of that again:  in bold defiance of the laws of physics, it sports a mere 226 grams.

Producers Sour Cream

This mistake has apparently gone on for years.  What’s equally strange is that the various nutrition sites that include information about this product also say 16 oz (226g) without comment.     Because, as stated above, units are hard.

Thanks to Philip Bailey for bringing this to our attention!  And speaking of Math Mistakes, as I was, several of the mistakes listed in this very blog are published in the PRIMUS article “Math Mistakes that Make the News” by Yours Truly, which can be downloaded for free during the month of March (2015).

 

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