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by iwnit on March 3rd, 2008
I use following conversion factors:
1) For feet and inches:
1 foot = 30 cm
1 inch = 2,4 cm
20 feet 8 inches ~ 600 + 8*(2.5) = 620 cm
2) For pounds
- 165 lb ~ 82 kg (1/2) (easy)
(I don't remember the exact factor)
3) For mph:
- 45 mph ~ 67 km/h (1.5) (easy)
- 45 mph ~ 72 km/h (2*8/10) (a little more complicated)
And if it must be more accurate, I know in my head that 1 miles ~ 1.609 km
4) For °F:
- 85 °F ~ some where between 32°F (0°C) and 212°F (100°C) so maybe about 20°C ??? But if it must be more accurate, I could make the formula back from those values: F= C*(180/100) +32
Or C=(F-32)*(100/180)
5) alternatively, I go lazily to a conversion website if I am online...
Happily, I don't have to make this kind of calculations very often...except on AB!
For this reason, I usually use this last possibility.
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You're reading Non-Americans: When you hear a measurement like "20 feet 8 inches" or "165 lb" or "45 mph" or "85 degrees Fahrenheit", do you have to pause for very long to mentally translate it to metric measurements, or are you bilingual?
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