Translation:How much is your capital?
With all due respect, I strongly disagree, it sounds pretty natural to me. I can imagine entrepreneurs or investors asking, "how much is your starting capital."
The capital is the amount invested into a company by the shareholders plus any assets the company owns.
The meaning is a little weird. "Capital" is like money. You ask "how much capital do you have?" You wouldn't ask, "how much is your money/capital?"
i bought the capital at a pretty low cost. yea, i ended up paying $20 for washington DC
Actually, Washington, DC is the "capital" of the US. The building where Congress holds session (on Capitol Hill) is the "Capitol."
That's what first came to my mind as well. In context I can see how it might be used but "How much capital do you have" is much better.