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Watts per square meter to BTU per hour-square foot

Convert watts per square meter to BTU per hour-square foot, with the math shown step by step.

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BTU per hour-square foot
51.7 BTU/(h·ft²)

163.09 W/m² = 51.7 BTU/(h·ft²)

Also equals

How it works

BTU/(h·ft²) = W/m² ÷ 3.15459075

One BTU per hour-square foot is about 3.15459075 watts per square meter, so dividing by 3.15459075 turns watts per square meter into BTU per hour-square foot. For example, 1,000 W/m² is about 317 BTU/(h·ft²).

  1. Divide by 3.15459075 163.09 ÷ 3.15459075 = 51.7 BTU/(h·ft²)

Nearby values

Watts per square meter BTU per hour-square foot Kilocalories per hour-square meter Kilowatts per square meter
63.09 W/m² 20 BTU/(h·ft²) 54.28 0.06
163.09 W/m² 51.7 BTU/(h·ft²) 140.33 0.16
263.09 W/m² 83.4 BTU/(h·ft²) 226.37 0.26
363.09 W/m² 115.1 BTU/(h·ft²) 312.41 0.36
463.09 W/m² 146.8 BTU/(h·ft²) 398.45 0.46

Printed from rocketcalc.io/heat-flux/w-per-m2-to-btu-per-h-ft2/163.09