##### Zod Above Pugetropolis

11/06/17 9:46 pm

Definitely. You can do speeds in your head by just remembering 25=40 or 62=100. Distances the same, or 1.6 to 1. Lengths as 30.5 cm per foot, 2.5 cm per inch, 39 inches per meter. 3.8 liters per gallon. 2.2 pounds per kg. You can do temperatures by remembering to add or subtract the initial 32, as necessary, and the difference above/below freezing is 1.8 to 1 (easier as 2-10%). They’re all pretty simple, but the easiest way is to just stop doing conversions and remember 25 is heavy to carry, anything over 25 is too hot, anything below 10 is getting coolish, over 150 is fast, below 50 is slow, and 10 is close to the limit of "walking distance".

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