As we celebrate the 235th birthday of our great nation, we asked a number of community leaders to share their thoughts on what the Fourth of July means to them. The Fourth of July reminds me very simply of our freedom.
Vitamin A: 1 IU is the biological equivalent of 0.3 mcg retinol, or of 0.6 mcg beta-carotene. 1  Vitamin D: 1 IU is the biological equivalent of 0.025 mcg cholecalciferol or ergocalciferol. 2  Vitamin E: 1 IU is the biological equivalent of 0.67 mg d-alpha-tocopherol, or 0.9 mg of dl-alpha-tocopherol.
1 microgram (mcg) = 0.001 milligram (mg). Microgram (mcg) is a unit of Weight used in Metric system. Milligram (mg) is a unit of Weight used in Metric system.Micrograms also can be marked as Microgrammes or Âµg (alternative British English spelling in UK).Milligrams also can be marked as Milligrammes (alternative British English spelling in UK).icrogram (mcg) is a unit of Weight used in Metric system. Milligram (mg) is a unit of Weight used in Metric system. Micrograms also can be marked as Microgrammes or Âµg (alternative British English spelling in UK).