Contoh:
15 Btu (th) = 3.777408 kalori (nutrisi)
1 Btu (th) = 0.251827 kalori (nutrisi) | 1 kalori (nutrisi) = 3.970977 Btu (th)
Langkah-langkah konversi:
15 × (1054.349999974 / 4186.8) = 3.777407567