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by afwaller 2653 days ago
This "off by one" issue, combined with the problem of words related to latin "mille" for thousand in many languages, is why in money people often use K for units of "1,000", MM for units of "1,000,000", and B or sometimes BB for units of "1,000,000" (BB has no meaning as far as I'm aware, people just copy the style of MM).

Unfortunately it is likely too late to really adopt the metric system for financial transactions. But the K has crept in for thousands.