1 ng is 0.04 IU. So, to convert 12.5 microgram, multiply 12500 nanogram with 0.04; the required answer is 500 IU
400
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1.5
Keep in mind that conversions from IU to mg are specific for each vitamin, so this formula/answer is only applicable for Vitamin D. You first have to convert the 2,000 IU into mcg. Each IU of Vitamin D is equal to 40 mcg, so you divide 2,000 by 40 which equals 50. Then you have to convert the mcg amount into mg which you do by dividing the mcg amount by 100. In this case 50 divided by 100, which equals 0.5, which means that 2,000 IU of Vitamin D is 0.5 mg
1 IU vitamin A Palmitate = 0.55 mcg Ex: 100 IU vitamin A Palmitate = 55 mcg ie multiply the IU by 0.55
10,000 IU of vitamin A is equivalent to 3,000 mcg.
1 mcg vitamin D (cholecalciferol) = 40 IU Let´s say you have 300 IU of vitamin D: 300 / 40 = 7,5 mcg vit. D Then you would have to convert 7,5 mcg to mg: 7,5 / 1000 = 0,0075 mg vitamin D.
Assuming you mean international units for vitamins this question can only be answered for the specific vitamin. Vitamin units are measured by their potency and not by weight.vitamin A for instance:1 IU retinol = 0.3 mcg RAE1 IU beta-carotene from dietary supplements = 0.15 mcg RAE1 IU beta-carotene from food = 0.05 mcg RAE1 IU alpha-carotene or beta-cryptoxanthin = 0.025 mcg RAEas you can see different sources of the same vitamin can have different IU to weight ratios for RAE (retinol activity equivalent)
3500 IU is equal to 1050 mcg (microgram) retinol (Vitamin A)
Egg juice?
Mcg is a unit of mass (microgram), a metre is a unit of length. The two units are therefore incompatible.
1000 mcg per 100 IU
100,000 IU