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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.

Result

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All units

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

ukg
1,000,000 u1.660539e-21 kg
10,000,000 u1.660539e-20 kg
100,000,000 u1.660539e-19 kg
1,000,000,000 u1.660539e-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.