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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
190 BTU/(h·ft²)

599.37 W/m² = 190 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 599.37 ÷ 3.15459075 = 190 BTU/(h·ft²)

Nearby values

Watts per square meter BTU per hour-square foot Kilocalories per hour-square meter Kilowatts per square meter
299.37 W/m² 94.9 BTU/(h·ft²) 257.58 0.3
399.37 W/m² 126.6 BTU/(h·ft²) 343.63 0.4
499.37 W/m² 158.3 BTU/(h·ft²) 429.67 0.5
599.37 W/m² 190 BTU/(h·ft²) 515.71 0.6
699.37 W/m² 221.7 BTU/(h·ft²) 601.75 0.7
799.37 W/m² 253.4 BTU/(h·ft²) 687.79 0.8
899.37 W/m² 285.1 BTU/(h·ft²) 773.84 0.9

Printed from rocketcalc.io/heat-flux/w-per-m2-to-btu-per-h-ft2/599.37