Fundamental Constants
Proton Rest Mass
Rest mass of the proton.
SI unit
kilogram (kg)
Dimension:
Other units
- kilogram (kg)
Defined value
Fixed constant from the A-level data sheets.
1.67 × 10-27 kg
A-level value
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Rest mass of the proton.
kilogram (kg)
Dimension:
Fixed constant from the A-level data sheets.
1.67 × 10-27 kg
A-level value