1 kilogram makes 1,,, or micrograms. One kilogram in weight and mass sense converted to micrograms equals precisely to 1,,, µg. Conversion for how many micrograms, µg, of weight and mass units, are contained in a kilogram, kg. Culinary weight and mass converter from kg (kilograms) measure to µg. How many micrograms (µg, mcg) are in 1 kilogram (1 kg).