this post was submitted on 21 May 2025
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For temperature:
Water freezes at 0, boils at 100. Room temperature 20 degrees Celsius. Normal body temp 37 degrees.
Trivia of minus 40 Fahrenheit being the same as minus 40 Celsius.
Height and weight are usually still thought of in imperial (canadian here), so I think of myself as 6'2", instead of 188 cm.
Volumes and lengths and weights are related. One cubic cm is one mL of liquid. One cubic centimeter of water weighs one gram. One thousand mL of water makes one Liter, which weighs one kilogram.
2.205 ponds makes one kilogram.
Shifting between miles and km is a pain in the ass, given the 1.6 km per mile.
Miles and Kilometers are very close to the golden ratio. So adjacent Fibonacci numbers can be used to approximate them.
5 mi is about 8 km
8 mi is about 13 km
etc
This advice is also golden!
1 mL (or cubic centimeter) of water weighs 1g, not 1 mg. 1 mg would be 1 microliter of water, or one millionth of a liter.
Yes! My bad, will edit.
1 calorie is the heat required to increase the temperature of 1 ml of water by 1 degree