Example:
15 W/in² = 33.341367 cal(th)/min·cm²
1 W/in² = 2.222758 cal(th)/min·cm² | 1 cal(th)/min·cm² = 0.449892 W/in²
Conversion Steps:
15 × (1550.003101208 / 697.333333331) = 33.3413669