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amarcheschi
on Aug 31, 2024
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Using Fibonacci numbers to convert from miles to k...
I'm even lazier, 1.6 might be hard to do without a Calc, I just grab 50% of the original number, 10%, and then sum them to the original
huhtenberg
on Aug 31, 2024
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In the same vein, converting pounds to kilos is "divide by 2, subtract 10%".
amarcheschi
on Aug 31, 2024
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no way just discovered this lmao i now only need a similar thing for fahrenheit to c/viceversa, i'm sure it exists. however, i'm so lazy i will not search for that information now
venusenvy47
on Aug 31, 2024
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For Celsius to Fahrenheit, just double it and add 30. It gets you pretty close for the temperature range that humans live in.
throwadobe
on Aug 31, 2024
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That's how I do many kinds of percentages... like 72% is 50% and then 10% twice and then a couple of 1%s
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