Atomic Mass Unit Converter
Convert atomic mass units (amu) to other mass units. Standard unit for atomic and molecular masses.
1 amu =
1.6605e-27 kg
All Conversions
1.6605e-27
Kilograms
931.494
MeV/c²
1
Daltons
1,822.89
Electron Masses
Formula
1 amu = 1.66054 × 10^-27 kg
Quick Reference
1 amu
= 1 Dalton (Da)
Carbon-12
= 12 amu (definition)
Hydrogen
~ 1.008 amu
Oxygen
~ 15.999 amu