Example:
15 cal/h·cm² = 0.921673 Btu/min·ft²
1 cal/h·cm² = 0.061445 Btu/min·ft² | 1 Btu/min·ft² = 16.274759 cal/h·cm²
Conversion Steps:
15 × (11.630000001 / 189.275446548) = 0.921672637