Convert Kilogram (kg) to Atomic Mass Unit (u) instantly — type a value in either field and the other updates automatically.

Kilogram (kg)

Atomic Mass Unit (u)

Atomic Mass Unit = Kilogram × 60221366516752004260298752

Kilogram = Atomic Mass Unit × 1.660540E-26

Need more than one value at a time? See the Kilogram to Atomic Mass Unit conversion table — every whole Kilogram from 1 to 200, then round numbers up to 10,000, printable too.