Atomic Mass Unit to Milligram Converter.
Also called the dalton - one twelfth the mass of a carbon-12 atom, used in chemistry and physics. Converting to milligrams: One thousandth of a gram, common on nutrition labels and in medicine. One atomic mass unit equals 1.660539e-21 mg.
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Conversion formula
Divide the atomic mass unit value by 6.022141e+20 to get milligrams. (factor: 1.660539e-21)
1 u = 1.660539e-21 mg
Quick reference table
| u | mg |
|---|---|
| 1,000,000 u | 1.660539e-15 mg |
| 10,000,000 u | 1.660539e-14 mg |
| 100,000,000 u | 1.660539e-13 mg |
| 1,000,000,000 u | 1.660539e-12 mg |
Need the reverse? Try ourMilligram to Atomic Mass Unit.
Atomic Mass Unit to Milligram FAQ
How many milligrams are in one atomic mass unit?
One atomic mass unit equals 1.660539e-21 mg. Multiply by 1.660539e-21 to convert any value.
How do you convert u to mg?
Divide the atomic mass unit value by 6.022141e+20 to get milligrams.
When would you use atomic mass units vs milligrams?
Also called the dalton - one twelfth the mass of a carbon-12 atom, used in chemistry and physics. One thousandth of a gram, common on nutrition labels and in medicine.