meElectron rest masskilogram9,1⋅10−31kgmpProton rest masskilogram1,67⋅10−27kgeElementary chargependant1,6⋅10−19KlcSpeed of light in vacuummeter per second3⋅108smGGravitational constantnewton square meter per square kilogram6,67⋅10−11kg2N⋅m2NAAvogadro's constantmole to the minus first power6,02⋅1023mol−1kBoltzmann's constantjoule per kelvin1,38⋅10−23KDzhRUniversal gas constantjoule per mole kelvin8,31mol⋅KDzhhPlanck's constantjoule second6,62⋅10−34Dzh⋅sε0Electrical constantfarad per meter8,85⋅10−12mFμ0Magnetic constanthenry per meter4π⋅10−7mGn