this post was submitted on 31 Mar 2024
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Why still using the imperial system? (abananaforscale.com)
submitted 8 months ago by [email protected] to c/[email protected]
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[–] [email protected] 2 points 8 months ago* (last edited 8 months ago)

I don't like the bridge example because the values were chosen (intentionally or not) conveniently for metric. Change it to every 4 feet or 1.3 metres and it's no longer convenient in either system. There are better examples that demonstrate the superiority of metric.

For example, pool cleaner says 1 unit per 10,000 gal or 40,000 L.

21' diameter, 3' tall. So ~1000 ft³. Multiply by 1728/231 for gallons.

7 m diameter, 1 m tall. So ~40 m³. Multiply by 1000 for litres.

If you're curious where 1728/231 comes from, there are 12³ (1728) in³ for a ft³. Then the gallon is defined as 231 in³