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... Btu (th) per square foot = ... Joule per square meter
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Btu (th) per square foot to Joule per square meter Converter
Use this page to convert btu (th) per square foot values into joule per square meter, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 Btu (th)/ft^2 = 11,348.9317947926 J/m^2
1 J/m^2 = 0.0000881140197228821 Btu (th)/ft^2
Example: 1000 Btu (th)/ft^2 = 11,348,931.7947926 J/m^2
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Btu (th) per square foot
One Btu (th) per square foot is equal to 11348.9317947926 joules per square meter.
History: The thermochemical Btu variant preserves an alternate heat-unit definition.
Current use: This unit is mainly used when source data distinguishes thermochemical Btu values.
Also written as Btu (th)/ft^2.
Joule per square meter
Joule per square meter expresses heat energy distributed over an area.
History: Area-normalized heat units are used to compare radiant exposure and heat input across surfaces.
Current use: Joules per square meter are used in heat-transfer, radiation, solar exposure, and surface energy calculations.
Also written as J/m^2.
Btu (th) per square foot to Joule per square meter table
| Btu (th) per square foot [Btu (th)/ft^2] | Joule per square meter [J/m^2] |
|---|---|
| 0.01 Btu (th)/ft^2 | 113.489317947926 J/m^2 |
| 0.1 Btu (th)/ft^2 | 1,134.89317947926 J/m^2 |
| 1 Btu (th)/ft^2 | 11,348.9317947926 J/m^2 |
| 2 Btu (th)/ft^2 | 22,697.8635895852 J/m^2 |
| 5 Btu (th)/ft^2 | 56,744.658973963 J/m^2 |
| 10 Btu (th)/ft^2 | 113,489.317947926 J/m^2 |
| 20 Btu (th)/ft^2 | 226,978.635895852 J/m^2 |
| 50 Btu (th)/ft^2 | 567,446.58973963 J/m^2 |
| 100 Btu (th)/ft^2 | 1,134,893.17947926 J/m^2 |
Frequently asked questions
How many Joule per square meter (J/m^2) are in one Btu (th) per square foot (Btu (th)/ft^2)?
One Btu (th) per square foot equals 11,348.9317947926 Joule per square meter.
How do you convert Btu (th) per square foot to Joule per square meter?
Multiply the Btu (th) per square foot value by 11,348.9317947926 to get the result in Joule per square meter.
How do you convert Joule per square meter back to Btu (th) per square foot?
Multiply the Joule per square meter value by 0.0000881140197228821 to get back to Btu (th) per square foot.
What is 1000 Btu (th) per square foot in Joule per square meter?
1000 Btu (th) per square foot equals 11,348,931.7947926 Joule per square meter.