I think in Celsius and my wife in Fahrenheit.
Our thermometer is in Fahrenheit.
We live in Prauge which is all Celsius.
So....
I needed a tool that converts between the two scales QUICKLY.
All the tools I downloaded had a cumbersome interface, so this time I set out to get the task down with the minimum number of clicks.
So if you have an Android powered device - check it out.
https://play.google.com/store/apps/details?id=com.snappydata.c2f