[W126 Coupe] how to change 500 sec mercedes temp readinggaugefrom c to f

[Ronny 560sec]

The numbers 5 and 9 are coming from the official calculations.
Because 100 Degrees C equals to 212 Degrees F and 0 degrees C is equal to 32 degrees F.
To compare both C to F you have to compare both to 0.
To do that you have to subtract the number 32 from the 212, which make it 180.
100 to 180 equals 5 to 9. to take the 20 C example: 9x20/5+32= 68 F and F to C: 68-32x5/9=20 C

Ronny

From: Mister McGoo 
Sent: Tuesday, November 29, 2011 6:13 PM
To: MB COUPES 
Subject: Re: [W126 Coupe] how to change 500 sec mercedes temp readinggaugefrom c to f

Even easier....... wait until it's -40C.  That's -40F also.  

Except when it's -40 anything, you know you're in North Dakota! 



--------------------------------------------------------------------------------
From: andy at tularosa.net
To: mbcoupes at mbcoupes.com
Date: Tue, 29 Nov 2011 18:09:38 -0700
Subject: Re: [W126 Coupe] how to change 500 sec mercedes temp readinggaugefrom c to f





  Since my outside temperature in in Celsius I went to the internet to get conversions, typed them out of the computer and then had that laminated and I keep it in the small “change” tray in front of the shifter.  When I need to know the temp. in Fahrenheit I just pick up the card.  One of these days I may memorize them.



  Dick Diefenbach

  Danville, VT 



  Robert,

  Just divide by 5, multiply by 9 and add 32.

  Why can not we just use one system. 

  Ronny



  An easier way, and no 5 and 9's required, is to just double the Celsius number subtract 10% and add 32. Example: 20 Celsius, double it ='s 40 subtract 10% or 4 and get 36, add 32 and, if by magic, you get 68 F.

  Andy H
  91 560 SEC
  2011 Hyundai Sonata

  www.intint.com/andy


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