Question: 1 k is how much money?
Answer: So $1K means $1,000. Of course we should strictly talk about 1k$ rather than $1K - but people seem to use the latter - and everyone pretty much understands what is meant. $1M (a “megabuck”) would mean $1,000,000 and $1G (a “gigabuck”) would be $1,000,000,000.