# Proton Charge-to-Mass Ratio

vCalc Reviewed
Proton Charge-to-Mass Ratio e / m_p = 9.578 833 58 * 10^7 C/"kg"
vCalc.Proton Charge-to-Mass Ratio
This constant is the ratio of e / m_p, the ratio of the charge of a proton to its mass.  This ratio is expressed in units of C/kg
This constant, mu_d/mu_e, is specified with a standard uncertainty (standard deviation) of: 0.000 000 21 E7 C/kg