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... Btu (IT) per hour square foot = ... Watt per square meter

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Btu (IT) per hour square foot to Watt per square meter Converter

Use this page to convert btu (it) per hour square foot values into watt per square meter, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 Btu (IT)/(h*ft^2) = 3.15459074506305 W/m^2

1 W/m^2 = 0.31699833062815 Btu (IT)/(h*ft^2)

Example: 500 Btu (IT)/(h*ft^2) = 1,577.29537253152 W/m^2

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Btu (IT) per hour square foot

One Btu (IT) per hour square foot is equal to 3.15459074506305 watts per square meter.

History: Btu per hour per square foot is common in building heat-transfer and insulation work.

Current use: This unit appears in HVAC, building envelopes, and US customary heat-flow references.

Also written as Btu (IT)/(h*ft^2).

Watt per square meter

Watt per square meter expresses heat flow rate through or across a unit area.

History: This SI expression became the standard heat flux density reference in heat transfer and radiation work.

Current use: It is used in thermal engineering, building science, solar radiation, electronics cooling, and process design.

Also written as W/m^2.

Btu (IT) per hour square foot to Watt per square meter table

Btu (IT) per hour square foot [Btu (IT)/(h*ft^2)]Watt per square meter [W/m^2]
0.01 Btu (IT)/(h*ft^2)0.0315459074506305 W/m^2
0.1 Btu (IT)/(h*ft^2)0.315459074506305 W/m^2
1 Btu (IT)/(h*ft^2)3.15459074506305 W/m^2
2 Btu (IT)/(h*ft^2)6.3091814901261 W/m^2
5 Btu (IT)/(h*ft^2)15.7729537253152 W/m^2
10 Btu (IT)/(h*ft^2)31.5459074506305 W/m^2
20 Btu (IT)/(h*ft^2)63.091814901261 W/m^2
50 Btu (IT)/(h*ft^2)157.729537253152 W/m^2
100 Btu (IT)/(h*ft^2)315.459074506305 W/m^2