Does UK use F or C?
Does UK use F or C? Degrees Celsius is the most common format of temperature in the UK. It comes from the metric system of measurement, whereas Fahrenheit is taken from the Imperial system.
Why does America use F instead of C?
As for why the United States adopted the Fahrenheit scale, Hillger explains it was the preferred scale worldwide. “Fahrenheit was one of the main scales in use in England at the time the U.S. started, so we just took that on, although our founding fathers thought about adopting the metric system instead.”