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1 ng is 0.04 IU. So, to convert 12.5 microgram, multiply 12500 nanogram with 0.04; the required answer is 500 IU

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1500 mcg of vitamin a equals how many mg?

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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


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How many Mg's are in 10000 IU of vitamin A?

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