Example:
15 Btu/s·ft² = 170.3479 kW/m²
1 Btu/s·ft² = 11.356527 kW/m² | 1 kW/m² = 0.088055 Btu/s·ft²
Conversion Steps:
15 × (11356.526682221 / 1000) = 170.347900233