![تويتر \ WindyCity Weather and News على تويتر: "#Chicagoweather #ChiWx #ILWx Factoid At -40 you can interchangeably use either Celsius or Fahrenheit. -40C=-40F And you thought that only happens in science labs. تويتر \ WindyCity Weather and News على تويتر: "#Chicagoweather #ChiWx #ILWx Factoid At -40 you can interchangeably use either Celsius or Fahrenheit. -40C=-40F And you thought that only happens in science labs.](https://pbs.twimg.com/media/DyFP3VFVsAACvrk.jpg)
تويتر \ WindyCity Weather and News على تويتر: "#Chicagoweather #ChiWx #ILWx Factoid At -40 you can interchangeably use either Celsius or Fahrenheit. -40C=-40F And you thought that only happens in science labs.
![Amazon.com: 3dRose Celsius to Fahrenheit temperature conversion chart. - Museum Grade Canvas Wrap (cw_305355_1) Amazon.com: 3dRose Celsius to Fahrenheit temperature conversion chart. - Museum Grade Canvas Wrap (cw_305355_1)](https://m.media-amazon.com/images/I/81BsxEbaeGL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 3dRose Celsius to Fahrenheit temperature conversion chart. - Museum Grade Canvas Wrap (cw_305355_1)
![What is the reason -40 Fahrenheit the same as -40 Celsius? How does the conversion work to get the same number at -40? - Quora What is the reason -40 Fahrenheit the same as -40 Celsius? How does the conversion work to get the same number at -40? - Quora](https://qph.cf2.quoracdn.net/main-qimg-3c174d9019bb0cc9f66bc542f84fbd2d.webp)