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]
Kelvin. There’s no “S”
There is. But it should not be capitalized. That is the issue here
https://en.wikipedia.org/wiki/Kelvin
But, that text explicitly says it should be capitalized. I don’t get it.
When referring to the scale, but not the units.
That, and when just using the unit “symbol” instead of the full word, like writing “283 K” as shorthand for “283 kelvins”
Thanks! My brain skipped the first bit.