I think being programmers we'd expect K and M. Save the mm for your financial report :)
Hardly. I was an M&A banker for a decade in New York and we used `M` for millions across the board. A few people would use `MM` but every deck I had sign off on used `M` for millions, `B` for billions
Mostly Europeans.
Humanity has moved on from roman numerals 1000+ years ago. Talk about tech debt.
> In accounting
Only in America.
america is not the entire world
also a simple google search disproves what you are saying. M is correct
Re:
by ImPostingOnHN on Saturday December 06, 2025 @10:54AM
(#46174261)
America largely uses K,M,B
Either OP is incorrect, or not American
Given how famed HN is for its pedantry I thought you may find this useful as sooner or later someone in your industry might make a judgement on it.
MM is million, BTW.