Metric conversion, 2020

By this time, most conversions between metric units (grams, etc) and regular, i.e., American standard, units (ounces, etc) are pretty well established.

So how is it that Trader Joe’s and Urban Meadow’s brands have different conversions?

This can of TJ beans and this can of Urban Meadow Beans have the same serving size (130 grams) yet different cup amounts! TJ converts 130 grams into 3/4 cup, while UM converts 130 grams into 1/2 cup. That is a difference of 50%!

So which is correct? It is not so simple. According to this online-calculator.org, 130 grams equals .55 cups of water, which is very close to the 1/2 cup mark, but only .38 cups of honey and over a cup of flour.

And what about canned beans?

According the the USDA , 1/2 cup of kidney beans is only 117 grams (not 130)

And according to the Bush’s, the venerable baked beans company, 1/2 cup is 130 grams.

What do you think? Have you seen confusion when it comes to bean serving size conversion?

September 2020
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