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One micro-gram (µg) equals to 0.001 milli-grams (mg). 300 µg = 0.3 mg

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300 mcg are 0.3 mg.

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Q: 300 mcg equals how many mg?

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300 mcg of anything = 0.3 mg of it

No. it is 0.3 milligrams in 300 micrograms.

1000 mcg equals 1 mg.

No, it equals 0.3 milligrams. 3,000 micrograms(mcg) would equal 3 milligrams(mg).

1000 mcg equals 1 mg.

There are 75,000 mcg in 75 mg.

1000 mcg = 1 mg so 300 mcg = 300/1000 = 0.3 mg. Simple!

1 mg = 1,000 mcg so 130 mg = 130,000 mcg. Simple!

10 mg is 10,000 mcg. Dividing this by 300 mcg gives 33 1/3.

225mcg (micrograms) equals 0.225mg

2100mg equals 2,100,000 mcg (1000mcg per mg).

Well 1 mg = 1000 mcg, so it would be 3 tablets = .9 mg if you didn't want to go over 1 mg then you would say 3 tablets because 4 tablets= 1.2 mg