this post was submitted on 30 Mar 2025
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[–] Xavienth@lemmygrad.ml 8 points 5 days ago (4 children)

Use milestones. I know:

-40 C = -40 F

-10 = 14

0 = 32

10 = 50

20 = 68

30 = 86

100 = 212

And for everything else, 1 C is about 2 F, extrapolate.

[–] beto@lemmy.studio 2 points 5 days ago

These two are easy to remember:

16C ~= 61F 28C ~= 82F

[–] Beaver@hexbear.net 2 points 5 days ago

Realistically, this is how I do it. I just gotta vibe with 20C~70F, and 0C~30F. If I need to convert exactly, I do it on my phone.

Realistically, I use F for weather and cooking, and C for work and hobby stuff. Doesn't cause too much mental confusion. Honestly, just interacting with Celsius for a few weeks would clear up any confusion and anxiety Americans have with it (and it is Americans we're talking about, no-one else has this problem)

[–] huf@hexbear.net 1 points 5 days ago

i only know a few of these milestones so i just nod and go by vibes, mostly. of course, the only place i encounter F is in youtube videos, so it doesnt really matter

[–] doingthestuff@lemy.lol 1 points 5 days ago

I know these milestones too but it takes two seconds to ask my phone by voice. "14f to c" and I have it without doing any work. I also know the formula, and I'm too nerdy to accept 9/5=2.