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From: Tilde <invalide@invalid.invalid>
Newsgroups: sci.lang,alt.usage.english
Subject: Re: OT: Converting miles/km
Date: Fri, 28 Feb 2025 22:22:12 -0700
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Christian Weisgerber wrote:
> On 2024-09-19, Christian Weisgerber <naddy@mips.inka.de> wrote:
> 
>> Yes, the natural logrithm of 5 approximates the conversion factor
>> between miles and kilometers; specifically one mile is about ln(5)
>> kilometers.
> 
> PS:
> 
> "The Maritime Approximation"
> https://xkcd.com/3023/
> 
>    pi mph = e knots
> 

https://explainxkcd.com/wiki/index.php/3023:_The_Maritime_Approximation