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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
31.7 BTU/(h·ft²)

100 W/m² = 31.7 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 100 ÷ 3.15459075 = 31.7 BTU/(h·ft²)

Nearby values

Watts per square meter BTU per hour-square foot Kilocalories per hour-square meter Kilowatts per square meter
0 W/m² 0 BTU/(h·ft²) 0 0
100 W/m² 31.7 BTU/(h·ft²) 86.04 0.1
200 W/m² 63.4 BTU/(h·ft²) 172.08 0.2
300 W/m² 95.1 BTU/(h·ft²) 258.13 0.3
400 W/m² 126.8 BTU/(h·ft²) 344.17 0.4

Printed from rocketcalc.io/heat-flux/w-per-m2-to-btu-per-h-ft2/100