Contoh:
15 MBtu (IT) = 1.582584e+10 J
1 MBtu (IT) = 1.055056e+9 J | 1 J = 9.478171e-10 MBtu (IT)
Langkah-langkah konversi:
15 × (1.055056e+9 / 1) = 1.582584e+10