Units#

Constants#

Energy

\(h = 6.63 \cdot 10^{-34} [ J \cdot s]\)

\(mu = 1.66 \cdot 10^{-27} [kg]\)

\(k_B = 1.38 \cdot 10^{-23}[ J \cdot K^{-1}]\)

\(N_A = 6.02 \cdot 10^{23} [mol^{-1}]\)

\(c = 3.0 \cdot 10^{8} [m \cdot s^{-1}] \)

\(m_e = 9.1093837015\cdot 10^{-31} \,[kg]\)

\(R_H=109680 [cm^{-1}]\)

\(e = 1.602176634\cdot 10^{-19}\, [C]\)

Energy unit converter#

  • See here for interactive option

\(J\)

\(eV\)

\(cm^{-1}\)

\(hartree\)

\(Hz\)

\(J\)

\(1\)

\(6.24181 \cdot 10^{18}\)

\(5.03445 \cdot 10^{22}\)

\(2.294 \cdot 10^{17}\)

\(1.50930 \cdot 10^{33}\)

\(eV\)

\(1.60210 \cdot 10^{-19}\)

\(1\)

\(8065.73\)

\(0.0367502\)

\(2.41804 \cdot 10^{14}\)

\(cm^{-1}\)

\(1.98630 \cdot 10^{-23}\)

\(1.23981 \cdot 10^{-4}\)

\(1\)

\(4.55633 \cdot 10^{-6}\)

\(2.99793 \cdot 10^{10}\)

\(hartree\)

\(43.60 \cdot 10^{-19}\)

\(27.2107\)

\(219474.63\)

\(1\)

\(6.57966 \cdot 10^{15}\)

\(Hz\)

\(6.62561 \cdot 10^{-34}\)

\(4.13558 \cdot 10^{-15}\)

\(3.335 65 \cdot 10^{-11}\)

\(1.51983 \cdot 10^{-16}\)

\(1\)