this post was submitted on 04 Nov 2025
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Americans will convert their miles to every yee yee ass unit under the sun before using metric.
Though AU is a pretty legitimate term if you don't want to be going in Tera - Giga territory.
I'd assume astronomers other than in the US also use it.
To be fair AU means more to me than miles or km in this case.. 168 times further from us than we are to the sun.
But since you want metric ~25.1 terameters.
You think you're being witty, but you've just unintentionally shown why the metric system is so good.
25.1 terameters => 25,100 gigameters => 25,100,000 kilometers.
Easy as pie.
Edit: Ahh crap, I forgot about megameters. It comes out to 25,100,000,000 km. Sorry for the metric ton of confusion.
You're missing a few zeroes there I think
Just a few 😉
Idk what these imperialist donkeys are talking about. 1 terameter is 10^6 kilometers. You're spot on.
Thanks for the support, but I was indeed mistaken.
Ohh, now I see it. The typo at the bottom. Missed that.
Your little off-by-one-thousand mistake is evidence that meters are ill-fitted for astronomy. au, al and pc exist for a reason
I checked and only au (astronomical unit) is listed in SI, while not being a SI unit per se
Never said they were fitted, just that the conversion between units is (supposed to be) simple.
It is but I would advise using scientific notation with exponent instead, it's harder to make a mistake
Psst. You forgot the megameters.
How could I forget about the megameters???
Is Pi in metrics is 1.0?
It's quiche in metric.
At that scale meters and miles are pretty close with respect to orders of magnitude, which is why practically everyone talks about these scales in AUs regardless of what units they actually used to do the science.