this post was submitted on 11 Aug 2024
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[–] Zacryon 39 points 3 months ago (3 children)

50 miles = 80.47 km (rounded)

[–] AdamEatsAss@lemmy.world 15 points 3 months ago (2 children)

50 miles = 4223989.5 hammer units (rounded)

[–] SynopsisTantilize@lemm.ee 2 points 3 months ago (2 children)

Is that source engine or blam? I can't remember, or are those both wrong?

[–] SynopsisTantilize@lemm.ee 2 points 3 months ago

Got it. Thank you

[–] AdamEatsAss@lemmy.world 1 points 3 months ago
[–] YoorWeb@lemmy.world 2 points 3 months ago (2 children)

How many football fields or double decker buses is that?

[–] AdamEatsAss@lemmy.world 1 points 3 months ago

This is left as an exercise for the student.

[–] phoenixz@lemmy.ca 1 points 3 months ago

How many bananas is that?

[–] JWBananas@lemmy.world 8 points 3 months ago
[–] bitwaba@lemmy.world 2 points 3 months ago

Converting miles to kilometers and vice versa is a fun exercise to do in your head

The Fibonacci sequence (where every number in the sequence is a sum of the previous 2 numbers) has a ratio of Fib(n)/Fib(n-1) converging to the golden ratio phi (~1.618) as n approaches infinity.

A mile is 1.609 kilometers, so the ratio of phi is an extremely close approximation of that.

What this means is you can easily use the Fibonacci sequence to quickly convert from miles to kilometers using adjacent numbers in the sequence

1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...

So you can quickly see something like 5 (or 50, or 500) miles is approximately 8 ( or 80, or 800) kilometers.

Also, yiu can quickly do easy multiplication or division to figure out other approximate distance.

Say, for 6 miles. 3 miles ( * 2) = 5km ( * 2) = 10km.

For 11 miles, 55 miles * 2 = 110 miles / 10 = 11 miles, and 89 km * 2 = ~180 km / 10 = 18 km [actual conversion is 17.703 km, so, pretty close]

You can do similar approximations by using other multiples.