Which is the correct conversion?

One kilogram is approximately equal to 2.2 pounds, so the correct conversion is “1 kg = 2.2 lbs.” The other choices are incorrect: 1 liter equals 1,000 milliliters, and 1 gram equals 1,000,000 micrograms; likewise, 1 milligram equals 1,000 micrograms.

AI-written and checked against the verified answer.