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| abstraction > mathematical concept > number > constant > fundamental physical constant > physico chemical constant > atomic mass constant | 
| atomic mass constant (mu)  | ||||
| subject | fact | |||
| atomic mass constant | has symbol mu | ![]()  | 
| has value 1.66053873 × 10-27 kg | ![]()  | |
has equation ![]()  | ![]()  | |
| has uncertainty 0.00000013 × 10-27 kg | ![]()  | |
| has unit kg | ![]()  | |
| has approval date 1961 | ![]()  | |
| has definition One-twelfth the mean mass of an atom of carbon 12 (including the orbital electrons). | ![]()  | |
| is an instance of physico chemical constant | ![]()  | |
| is an instance of mass | ![]()  | |
| fundamental physical constant | has accuracy | ![]()  |