Physical constant
Electron mass
- mₑ
- Measured
- atomic
Electron mass (mₑ) is 9.1093837 × 10^-31 kg. Measured. Values follow CODATA 2018 (2019 SI redefinition).
Value
Value9.1093837 × 10^-31 kg
Scientific notation9.1093837015 × 10^-31 kg
Unitkg
Symbolmₑ
ExactnessExperimentally measuredMeasured.
Reciprocal1.097769106 × 10^30
Order of magnitude10^-31
Multiples
× 21.82187674 × 10^-30
× 109.1093837 × 10^-30
× 1009.1093837 × 10^-29
× 1,0009.1093837 × 10^-28
× 0.54.55469185 × 10^-31
× 0.19.1093837 × 10^-32
Provenance
DatasetCODATA 2018 (2019 SI redefinition)
Categoryatomic
Why it mattersMeasured.
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
The number itself
Nerdulate something else
Nothing in mind? Surprise me · today’s page