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

Convert Watt per Square Meter [W/m²] to BTU (th) per Second Square Inch [BTU(th)/(s·in²)] and vice versa.

From

Conversion Formula

Example: 1 W/m² = 6.11903e-7 BTU(th)/(s·in²)

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 Inch.

Related Heat Flux Density Conversions

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

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

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

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

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

W/m² to cal(th)/(min·cm²)BTU(th)/(s·in²) to cal(th)/(min·cm²)

Quick Reference Table

W/m²	BTU(th)/(s·in²)
1	6.11903e-7
5	0.00000305951
10	0.00000611903
25	0.0000152976
50	0.0000305951
100	0.0000611903
250	0.000152976
500	0.000305951
1000	0.000611903

All Converters

Common Unit Systems