How much does a proton weigh?
1.67 × 10⁻²⁷ kg
A proton has a mass of about 1.67 × 10⁻²⁷ kg.
Atomic masses converted to kilograms, for the very smallest puzzles.
About the same weight
More atoms
- Electron 9.11 × 10⁻³¹ kg
- Hydrogen atom 1.67 × 10⁻²⁷ kg
- Helium atom 6.65 × 10⁻²⁷ kg
- Carbon atom 1.99 × 10⁻²⁶ kg
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