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Question: I know that Celsius is one of the accepted SI units, but is it really metric? (SI includes a number of definitely non-metric units.) And, if being expressed as a decimal number is enough to qualify it as metric, then isn’t the Fahrenheit scale also metric? It is also decimalized, and also defined in terms of the SI unit (Kelvin).
The arms in the second image are much too short. I can’t unsee it, now that I’ve noticed.