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Why do people who try to convince others to switch to metric focus so much on the conversions?
(herbicide.fallcounty.omg.lol)
this post was submitted on 30 Jan 2026
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100% this. Look, imperial may be silly, but some of the arguments for changing to metric are also very silly. Things are usually at a mile scale or a foot scale, and I don't really need to go between the two.
And sure, converting between different units is convenient in metric, but how often do you have to do that? So you can easily tell me how many liters of water would be needed to fill a giant, square kilometer fish tank, but who needs to do that? What grade school math problem are you living in?
If things are usually at a mile scale or a foot scale. Why do yards exist?
Yards are at foot scale, hence their use in football. /s
There is one conversion that I use every now and then: liter to kilo: A liter of water weighs about a kilo.
Helpful to compare groceries when some products use weight and others volume. For example, I can buy 1kg buckets of yoghurt. I then know that those buckets hold about 1 liter. Handy when re-using the buckets.
I do stuff like this all the time. Like if i bought a pool i wanted to estimates how much water it needes to estimate all the follow up costs, if i am cooking something i often switch between kg and g, if am measuring things i switch between cm, m and mm depending on what i am currently measuring all the time. E.g. i needed a new working plate in my kitchen, i wanted it precut to fit exactly in after moving some cabinets while still aligning the sink. The whole space was measured in meters, but the individual cuts were all measured in milimeters. I was able to do all of that in 5 minutes with one piece of paper for sketching and my head. (And it fitted down to the milimeter in the end).
Or e.g. in my last appartment we had an weird electrical water heater that didn't work that well. I was able to easily estimate the extra cost it procured by estimating water volume, temperature difference and electrical price, most annoying par was converting from joule to calories because it is not base 10. (would have taken >3years so not worth it for me)
For evidence of the mile scale vs foot scale bit:
We have 2 measurements between that we don't really use anymore. Chains, and furlongs most notably (8 furlongs to a mile, 10 chains to a furlong, 100 links to a chain, 4 inches to a link). The middle distance is just yards now. 50 yards, etc.
Actually, because a chain is 66', a link is 0.66' or 7.92".
A furlong is then 660', so 220 yards, which is 201.17m.
A mile, being 8 furlongs is then roughly 1.6km
Ahh, right, mixed up the measurement between hand and link. I was tired, and neither units get thought of much xD I also keep forgetting it's one of the only units that isn't a flat number.
Ah, that makes sense now! Or at least, as much sense as any of the rest of it!