[vaduz]

> > 3 tons of space junk, a punch that will carve out a crater big enough to fit several semitractor-trailers > These are likely US tons, so 2722kg.

Earlier reports put the mass at explicitly "4 metric tons" [0][1], so it is a bit of a guess either way.

> I'm not sure about the SI conversion of the semitractor-trailer units.

Are we talking Arizona trailers, normal NA trailers or international-compliant sizes to begin with?

[0] https://www.space.com/spacex-rocket-crashing-into-moon-crate... [1] https://www.livescience.com/spacex-rocket-to-hit-moon