IU

Biology Level pending

How many grams of vitamin is one IU of vitamin D?

Clarification: IU is the international unit to express the requirement of vitamin D.


The answer is 2.5E-8.

Ashish Menon by Ashish Menon , 20, India

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1 solution

Ashish Menon
Apr 23, 2016

One IU of vitamin D = 0.25 micrograms of vitamin
= 0.000000025 g of vitamin
= 2.5 E − 8 \boxed{2.5E - 8} g of vitamin.

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1 IU of vitamin D is 0.025 μ g = 0.025 × 1 0 − 6 = 2.5 E-8 g 0.025 \, \mu \text{g} = 0.025 \times 10^{-6} = 2.5 \text{E-8 g}

See reference here and here

Chew-Seong Cheong - 5 years, 1 month ago

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Oh yeah, thats right, thanks sir. I think I missed a 0.

Ashish Menon - 5 years, 1 month ago

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