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... Btu (th) per second square foot = ... Watt per square meter

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Btu (th) per second square foot to Watt per square meter Converter

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

Conversion formula

1 Btu (th)/(s*ft^2) = 11,348.9317947926 W/m^2

1 W/m^2 = 0.0000881140197228821 Btu (th)/(s*ft^2)

Example: 500 Btu (th)/(s*ft^2) = 5,674,465.8973963 W/m^2

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Btu (th) per second square foot

One Btu (th) per second square foot is equal to 11348.9317947926 watts per square meter.

History: This variant preserves thermochemical Btu heat-unit definitions.

Current use: It supports source material that distinguishes thermochemical Btu values.

Also written as Btu (th)/(s*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 (th) per second square foot to Watt per square meter table

Btu (th) per second square foot [Btu (th)/(s*ft^2)]Watt per square meter [W/m^2]
0.01 Btu (th)/(s*ft^2)113.489317947926 W/m^2
0.1 Btu (th)/(s*ft^2)1,134.89317947926 W/m^2
1 Btu (th)/(s*ft^2)11,348.9317947926 W/m^2
2 Btu (th)/(s*ft^2)22,697.8635895852 W/m^2
5 Btu (th)/(s*ft^2)56,744.658973963 W/m^2
10 Btu (th)/(s*ft^2)113,489.317947926 W/m^2
20 Btu (th)/(s*ft^2)226,978.635895852 W/m^2
50 Btu (th)/(s*ft^2)567,446.58973963 W/m^2
100 Btu (th)/(s*ft^2)1,134,893.17947926 W/m^2