[Editor's note: Helpful hints on how to go metric if you never had a science class in the US since the 1970s. I don't yet dream in metric but I ain't afraid of it Thanks Jo!]
Republished from XKCD: A webcomic of romance, sarcasm, math, and language.
The key to converting to metric is establishing new reference points. When you hear “26° C,” instead of thinking “that’s 79° F” you should think, “That’s warmer than a house but cool for swimming.” Here are some helpful tables of reference points: