I would be terrified too if i saw someone use C°
°C is a much better way to measure temperature
this post was submitted on 27 Jul 2025
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We measure drugs, pools, and PC temps in metric
Grams for drugs unless it's seized by the police, then it's kilos 😂
Pools in meters (or yards depending on location)
And PC temps are always Celsius
Metric isn't scary, we just use it for random things and it makes no sense
We also do alcohol in ml (750ml bottles are standard) unless it's beer which is usually in 12oz cans.
Nothing makes sense
A lot of beverages and some other things actually switched because the US had planned to go metric. That was cancelled and never finished, but it made no sense to go back.
1kg = double it and add a little lb
1lb = just under half kg
1cm = just under half in
1in = a little more than double cm
F vs C = give up
To easily convert between F and C, simply cool the thing down to -40° and you're good you go
1 kg = 2 * lb + 1/5 * lb (lucky for us 5 is a prime factor of base 10)
C to F = 100 is too hot, 0 is too cold, 50 is just righ- ah damn it
F vs c is easier if you think in bands of temps. 15 C is about 60 F. Each ten degrees difference in F is about 5 degrees different in C. So 20 C is about 70 F. 10 C is about 50 F.
For F and C, there's a 10% variation from double/divide (5/9 vs 9/5).
So add or subtract 10% after doing that part.
It's exactly (C*9/5)+32. That's not a rough formula, it's exact.
Ok mr advanced mathematics with complex numbers
For above freezing, terrestrial temperatures, Canadians have long depended on the "double it and add 30" rule to understand freedom temperature units while travelling.
basically me as I'm slowly learning metric
I've worked in some capacity of manufacturing for a while now so I've gotten used to going back and forth. You'll get it!
Practice by thinking what the other would be any time someone mentions one.
Metric is for mass and Freedom Units™ are for weight. Because using the same unit of measure for both like metric does just because they happen to be on earth is stupid.
Really? Stone. Shall I go on?
also 24 hr clock (military time)
You mean being able to count past 12?
Yawn.
Like this is the first time OP has heard of other units.
Why do you use Celsius when Kelvin exists?
Most likely I learned metric long before OP was even born, in the US ( it's been taught in the US since the late 60's).
You want us to throw away all our tools overnight? Recalculate every recipe, re-tool every process (with concomitant errors), etc, etc, etc, overnight? Are you paying for this?
The US is a big reason for metric being the standard
They were a founding member of the Metre Convention and wanted a unit that wasn’t British
You want us to throw away all our tools overnight? Recalculate every recipe, re-tool every process (with concomitant errors), etc, etc, etc, overnight
To the best of my knowledge, everywhere that has converted so far has just started making new things in metric. Yes, that leaves a weird state where you may see signs in one or the other, for example, but over time it resolves. Tools in other sizes would continue to be made as long as they needed to in order to maintain the old stuff until that gets replaced.
Can confirm. I have no idea how much I weigh, my height, or what the temperature is outside of imperial units and Fahrenheit.
ELI5: Why some people use term "freedom units" for "imperial units"? They are the same (except gallon and bushel, whatever that may be).
Joke about US being a free society
Ill admit I use Centigrade..