Contoh:
15 GW*h = 5.4e+19 µJ
1 GW*h = 3.6e+18 µJ | 1 µJ = 2.777778e-19 GW*h
Langkah-langkah konversi:
15 × (3.6e+12 / 0.000001) = 5.4e+19