Convert atomic mass units to kilograms (u to kg)

Convert atomic mass units to kilograms instantly with this easy to use u to kg conversion tool.

Kilograms explained

The kilogram is the base unit of mass in the International System of Units (SI). One kilogram approximately represents the mass of one liter of water at its maximum density, which occurs at a temperature of about 4°C. This relationship is not coincidental but historical. Its precise definition relies on fundamental constants of nature, ensuring unparalleled accuracy and stability in mass measurement. The kilogram is unique among SI units as it includes a prefix ("kilo-") in its name, signifying 1,000 grams.

Learn more about kilograms.

Atomic mass units to kilograms conversion table

The following table provides a straightforward conversion guide for fractions and multiples of atomic mass units (u) to kilograms (kg).

Convert atomic mass units to other weight and mass units.

You can find all available conversions from atomic mass units (u) to other weight and mass units below.