Path: ...!weretis.net!feeder9.news.weretis.net!news.quux.org!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Tilde Newsgroups: sci.lang,alt.usage.english Subject: Re: OT: Converting miles/km Date: Fri, 28 Feb 2025 22:22:12 -0700 Organization: squiggle Lines: 17 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sat, 01 Mar 2025 06:22:20 +0100 (CET) Injection-Info: dont-email.me; posting-host="e536cb359a4fa468d41ea6f240616424"; logging-data="114882"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18TBOjmElbIXIyKUkUI0tmh" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:91.0) Gecko/20100101 Firefox/91.0 SeaMonkey/2.53.18.2 Cancel-Lock: sha1:Fg+3He5tFwRFHwVy2cdI+x+SCN4= In-Reply-To: Bytes: 1589 Christian Weisgerber wrote: > On 2024-09-19, Christian Weisgerber 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