BTU (th) per Second Square Foot to Watt per Square Meter

Convert BTU (th) per Second Square Foot [BTU(th)/(s·ft²)] to Watt per Square Meter [W/m²] and vice versa.

From

Conversion Formula

Example: 1 BTU(th)/(s·ft²) = 11348.9 W/m²

The conversion uses the following relationship: BTU (th) per Second Square Foot values are converted to the base unit (Watt per Square Meter), then converted to Watt per Square Meter.

Related Heat Flux Density Conversions

BTU(th)/(s·ft²) to kW/m² W/m² to kW/m²

BTU(th)/(s·ft²) to BTU(IT)/(h·ft²)W/m² to BTU(IT)/(h·ft²)

BTU(th)/(s·ft²) to BTU(th)/(h·ft²)W/m² to BTU(th)/(h·ft²)

BTU(th)/(s·ft²) to BTU(IT)/(s·ft²)W/m² to BTU(IT)/(s·ft²)

BTU(th)/(s·ft²) to BTU(th)/(s·in²)W/m² to BTU(th)/(s·in²)

BTU(th)/(s·ft²) to cal(th)/(min·cm²)W/m² to cal(th)/(min·cm²)

Quick Reference Table

BTU(th)/(s·ft²)	W/m²
1	11348.9
5	56744.7
10	113489
25	283723
50	567447
100	1.13489e+6
250	2.83723e+6
500	5.67447e+6
1000	1.13489e+7

All Converters

Common Unit Systems