Contoh:
15 fW = 2.011533e-17 daya kuda (550 ft·lbf/s)
1 fW = 1.341022e-18 daya kuda (550 ft·lbf/s) | 1 daya kuda (550 ft·lbf/s) = 7.456999e+17 fW
Langkah-langkah konversi:
15 × (1e-15 / 745.699871582) = 2.011533e-17