Contoh:
15 J = 3.440566e+18 energi Hartree
1 J = 2.29371e+17 energi Hartree | 1 energi Hartree = 4.359748e-18 J
Langkah-langkah konversi:
15 × (1 / 4.359748e-18) = 3.440566e+18