HackerTube / Video
Is America Actually Metric?
Veritasium
Veritasium explains that the US signed the Metre Convention in 1875 and that all US customary units are officially defined in terms of metric standards. It also touches on the standard kilogram.
HN commenters link it to show that the US is effectively metric because its customary units are defined from SI.
5 Hacker News mentions · 2017–2022