Convert atomic mass units to mg
Atomic mass units to milligrams. Enter a value to convert, or use the atomic mass units to mg chart further down the page.
1 atomic mass unit equals 1.660539067e-21 milligrams. Going the other way, 1 milligram = 6.022140762e20 atomic mass units.
How to convert atomic mass units to mg
To convert atomic mass units to milligrams, multiply the atomic mass unit value by 1.660539067e-21. You can also divide by 6.022140762e20 to get the same answer.
mg = u × 1.660539067e-21
Worked example
Convert 15 u to milligrams:
15 u = 2.4908086e-20 mg
atomic mass units to mg conversion chart
Use this atomic mass units to mg table for quick reference without typing anything.
| atomic mass units (u) | milligrams (mg) |
|---|---|
| 0.01 u | 1.660539067e-23 mg |
| 0.1 u | 1.660539067e-22 mg |
| 1 u | 1.660539067e-21 mg |
| 2 u | 3.321078133e-21 mg |
| 3 u | 4.9816172e-21 mg |
| 5 u | 8.302695333e-21 mg |
| 10 u | 1.660539067e-20 mg |
| 20 u | 3.321078133e-20 mg |
| 50 u | 8.302695333e-20 mg |
| 100 u | 1.660539067e-19 mg |
| 1,000 u | 1.660539067e-18 mg |
What is a atomic mass unit?
The atomic mass unit (u) is a unit of weight equal to 1.660539067e-27 kilograms.
What is a milligram?
The milligram is one thousandth of a gram and is the standard unit for stating medicine dosages and micronutrient content.
Frequently asked questions
How many mg are in an atomic mass unit?
1 atomic mass units equals 1.660539067e-21 mg. Going the other way, 1 mg is 6.022140762e20 atomic mass units.
How do you convert atomic mass units to mg?
To convert atomic mass units to milligrams, multiply the atomic mass unit value by 1.660539067e-21. You can also divide by 6.022140762e20 to get the same answer.
What is 10 atomic mass units in mg?
10 atomic mass units equals 1.660539067e-20 mg. The conversion chart on this page lists the other values people look up most often.
Related weight conversions
Convert atomic mass units to other units
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