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It always bugs me when a character makes this mistake, which happens WAY TOO OFTEN (quokk.au)
submitted 11 months ago by to c/tenforward@lemmy.world
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According to SI convention, the kelvin is never referred to nor written as a degree. The word "kelvin" is not capitalized when used as a unit. It may be in plural form as appropriate (for example, "it is 283 kelvins outside", as for "it is 50 degrees Fahrenheit" and "10 degrees Celsius").[5][63][64][65] The unit's symbol K is a capital letter,[39] per the SI convention to capitalize symbols of units derived from the name of a person.[66] It is common convention to capitalize Kelvin when referring to Lord Kelvin[5] or the Kelvin scale.[67]

La Forge disapproving the phrase "273.15 degrees Kelvin" and approving of the phrase "273.15 kelvins"
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[–] 4 points 11 months ago (1 child)

According to Wikipedia it was officially changed from "degrees Kelvin" to "kelvins" in 1967, so it's possible you were seeing the change ripple out as they were made. I wonder how long it takes for decisions like that to get from a decision announcement from the CGPM to an update in textbooks that students use. Probably varies by income level.

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