Example:
15 Btu/min·ft² = 900.000009 Btu/h·ft²
1 Btu/min·ft² = 60.000001 Btu/h·ft² | 1 Btu/h·ft² = 0.016667 Btu/min·ft²
Conversion Steps:
15 × (189.275446548 / 3.154590745) = 900.000008757