Atomic Mass Unit to Kilogram Converter.
Also called the dalton - one twelfth the mass of a carbon-12 atom, used in chemistry and physics. Converting to kilograms: The SI base unit of mass, used worldwide for body weight, shipping, and trade. One atomic mass unit equals 1.660539e-27 kg.
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Conversion formula
Divide the atomic mass unit value by 6.022141e+26 to get kilograms. (factor: 1.660539e-27)
1 u = 1.660539e-27 kg
Quick reference table
| u | kg |
|---|---|
| 1,000,000 u | 1.660539e-21 kg |
| 10,000,000 u | 1.660539e-20 kg |
| 100,000,000 u | 1.660539e-19 kg |
| 1,000,000,000 u | 1.660539e-18 kg |
Need the reverse? Try ourKilogram to Atomic Mass Unit.
Atomic Mass Unit to Kilogram FAQ
How many kilograms are in one atomic mass unit?
One atomic mass unit equals 1.660539e-27 kg. Multiply by 1.660539e-27 to convert any value.
How do you convert u to kg?
Divide the atomic mass unit value by 6.022141e+26 to get kilograms.
When would you use atomic mass units vs kilograms?
Also called the dalton - one twelfth the mass of a carbon-12 atom, used in chemistry and physics. The SI base unit of mass, used worldwide for body weight, shipping, and trade.