The “rule of 40″ for converting temperatures to Celsius

November 17th, 2012 at 10:20 am by under Weather

With thousands upon thousands of international visitors in town this weekend for the F1 races, now is a good time to brush up on the math we use to convert temperatures from Fahrenheit to Celsius, and vice-versa.

If you need to perform a quick conversion, remember the ‘rule of 40′

Fahrenheit to Celsius:  (___ degrees F) + (40) x (5/9) – (40) = ___ degrees C

Celsius to Fahrenheit:  (___ degrees C) + (40) x (9/5) – (40) = ___ degrees F

And for those of you headed out to the race, the latest forecast is looking just about perfect!

The latest F1 race forecast from the KXAN First Warning Weather Team

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