Simple way to convert Celsius to Fahrenheit in your head:Take the Celsius value and double it40 * 2 = 80Subtract 10%80 - 8 = 72Add 3272 + 32 = 10440 C = 104 FThis is still hot but a far cry from 118F
There are trademarks and usage requirements to consider, easier to make a fake one with no branding.