this post was submitted on 24 Apr 2026
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I'm accustomed to the imperial system. But agree that metric is better.
Some metric stuff I have no trouble with. I have a good spatial sense of the distance of a mm, m, and km. And can do a rough miles to km (and vice versa) conversion in my head. I have a good sense of how much a kg is and similarly can do a rough conversion to and from lbs in my head. But while I understand that a gram is 1/1000 of a kg, if handed a small object and asked to guess how many grams it is, I'd fail miserably.
Celsius I can't ever remember the conversion, but I've had enough exposure to it that I understand if it means cold/cool/warm/hot weather.
Everyone in metric zone fails as well to guess weights of a few grams :) best I can do is estimate 1/4 kilos
A sugar cube is a gram. That'll get you close enough.
Except it isn't: https://en.wikipedia.org/wiki/Sugar_cube
Huh. The ones I've seen where usually 1cm³, which is pretty much exactly 1g.
Density of loose sugar is already at 1.5 grams / cm^3. Compressed sugar as in a cube weighs more, depending on the compression / packing factor. So even that is nowhere near "pretty much exactly 1g". But 1cm^3 sugar cubes are rare, chances are you only think they are that big, while they are actually more near the standard cubes 16x16x12mm^3, which again triples the weight.
You kind of prove my point here: people typically fail to guess weights of a few grams.