Ejemplo:
15 aJ = 1.422677e-20 Btu (th)
1 aJ = 9.484517e-22 Btu (th) | 1 Btu (th) = 1.05435e+21 aJ
Pasos de conversión:
15 × (1e-18 / 1054.349999974) = 1.422677e-20