this post was submitted on 01 Oct 2023
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The easy way to remember the multiplier is that there's exactly 180 degrees between boiling and freezing in Fahrenheit, and 100 in Celsius. Just use 1.8 instead of a fraction.
And the -32, hmm? Checkmate, atheists
32 degrees F is freezing, as is 0 C.
Ramen.
In Fahrenheit, 0 is the temperature of ice in some random brine, just as 0 in Celsius is the temp of ice water.
Fahrenheit and Celsius are defined nearly identically. Fahrenheit just chose some weird values for its basic constants, like using a weird ice brine instead of just ice water.
I find it easier to do mental arithmetic with the fraction (and I didn't know the boiling point of water in Fahrenheit). But thanks anyways!