• MeatsOfRage@lemmy.world
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    1 year ago

    The quick conversation I use is take off 30 and half the rest to go F to C or double it and add 30 to go C to F.

    20C doubled is 40 and add 30. 70F

    80F take off 30 is 50. Half that is 25. 25C

    It’s not completely accurate but close enough for conversation purposes.