Example:
15 Btu/min·ft² = 2839.131698 J/s·m²
1 Btu/min·ft² = 189.275447 J/s·m² | 1 J/s·m² = 0.005283 Btu/min·ft²
Conversion Steps:
15 × (189.275446548 / 1) = 2839.131698215