Example:
15 W/cm² = 11982.335334 kcal/h·ft²
1 W/cm² = 798.822356 kcal/h·ft² | 1 kcal/h·ft² = 0.001252 W/cm²
Conversion Steps:
15 × (10000 / 12.51842782) = 11982.335334024