Contoh:
15 W/m² = 0.000358 cal/s·cm²
1 W/m² = 0.000024 cal/s·cm² | 1 cal/s·cm² = 41868.000005 W/m²
Langkah-langkah konversi:
15 × (1 / 41868.00000482) = 0.000358269