If you are planning a aircraft flight and use km/h for the speed of your aircraft, then it is useful to have wind speeds in km/h as well - this makes the corrections due to wind speed much easier to calculate. ----- Original Message ----- From: "Philip S Hall" <[EMAIL PROTECTED]> To: "U.S. Metric Association" <[email protected]> Sent: Wednesday, January 25, 2006 8:40 PM Subject: [USMA:35848] Re: Speed in km/h vs m/s
> I think it would be better if weather forecasts wordlwide used m/s > > I don't see how km/h or mph convey anything over and above an arbitrary > scale. Units like km/h are really for journey times or comparison with > different modes of transport. So why not get used to the proper SI unit? > > Phil Hall > >
