Yep. I started as an engineer in college, a lot of basic conversions stuck with me. If you remember 1.6 kilometers to the mile, 2.54 centimeters to the inch, 2.2 pounds to the kilogram and 33.8 ounces to the liter, you're pretty much set for all your common conversions. I can also convert Fahrenheit to Celcius in my head,…