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400/1,000,000, or 0.0000004

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12y ago
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AnswerBot

4mo ago

There are 0.4 grams in 400 mg, and 1 gram is equivalent to 0.001 kg. Therefore, 400 mg is equal to 0.4 grams or 0.0004 kg.

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13y ago

400000000

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Q: How many kg are in 400 mg?
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