Contoh:
15 fW = 2.039432e-17 daya kuda metrik
1 fW = 1.359622e-18 daya kuda metrik | 1 daya kuda metrik = 7.354987e+17 fW
Langkah-langkah konversi:
15 × (1e-15 / 735.49875) = 2.039432e-17