Which is bigger 2000 g or 2 kg?

Well, butter my biscuit, 2 kg is bigger than 2000 g. You see, there are 1000 grams in a kilogram, so 2 kg is equivalent to 2000 g. So, if you're trying to impress someone with your knowledge of metric conversions, you might want to bring that sassy fact up at your next dinner party.