Watt per Square Meter to BTU (th) per Second Square Foot
Convert Watt per Square Meter [W/m²] to BTU (th) per Second Square Foot [BTU(th)/(s·ft²)] and vice versa.
Conversion Formula
Example: 1 W/m² = 0.0000881140 BTU(th)/(s·ft²)
The conversion uses the following relationship: Watt per Square Meter values are converted to the base unit (Watt per Square Meter), then converted to BTU (th) per Second Square Foot.
Related Heat Flux Density Conversions
Quick Reference Table
| W/m² | BTU(th)/(s·ft²) |
|---|---|
| 1 | 0.0000881140 |
| 5 | 0.000440570 |
| 10 | 0.000881140 |
| 25 | 0.00220285 |
| 50 | 0.00440570 |
| 100 | 0.00881140 |
| 250 | 0.0220285 |
| 500 | 0.0440570 |
| 1000 | 0.0881140 |
All Converters