Contoh:
15 µJ = 1.422677e-8 Btu (th)
1 µJ = 9.484517e-10 Btu (th) | 1 Btu (th) = 1.05435e+9 µJ
Langkah-langkah konversi:
15 × (0.000001 / 1054.349999974) = 1.422677e-8