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... Joule per square meter = ... Btu (IT) per square foot
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Joule per square meter to Btu (IT) per square foot Converter
Use this page to convert joule per square meter values into btu (it) per square foot, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 J/m^2 = 0.0000880550918411529 Btu (IT)/ft^2
1 Btu (IT)/ft^2 = 11,356.526682227 J/m^2
Example: 1000 J/m^2 = 0.0880550918411529 Btu (IT)/ft^2
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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 (IT) per square foot
One Btu (IT) per square foot is equal to 11356.526682227 joules per square meter.
History: Btu-per-area units come from customary heat-transfer and building-energy calculations.
Current use: This unit appears in US HVAC, building science, and thermal exposure references.
Also written as Btu (IT)/ft^2.
Joule per square meter to Btu (IT) per square foot table
| Joule per square meter [J/m^2] | Btu (IT) per square foot [Btu (IT)/ft^2] |
|---|---|
| 0.01 J/m^2 | 0.000000880550918411529 Btu (IT)/ft^2 |
| 0.1 J/m^2 | 0.00000880550918411529 Btu (IT)/ft^2 |
| 1 J/m^2 | 0.0000880550918411529 Btu (IT)/ft^2 |
| 2 J/m^2 | 0.000176110183682306 Btu (IT)/ft^2 |
| 5 J/m^2 | 0.000440275459205764 Btu (IT)/ft^2 |
| 10 J/m^2 | 0.000880550918411529 Btu (IT)/ft^2 |
| 20 J/m^2 | 0.00176110183682306 Btu (IT)/ft^2 |
| 50 J/m^2 | 0.00440275459205764 Btu (IT)/ft^2 |
| 100 J/m^2 | 0.00880550918411529 Btu (IT)/ft^2 |
Frequently asked questions
How many Btu (IT) per square foot (Btu (IT)/ft^2) are in one Joule per square meter (J/m^2)?
One Joule per square meter equals 0.0000880550918411529 Btu (IT) per square foot.
How do you convert Joule per square meter to Btu (IT) per square foot?
Multiply the Joule per square meter value by 0.0000880550918411529 to get the result in Btu (IT) per square foot.
How do you convert Btu (IT) per square foot back to Joule per square meter?
Multiply the Btu (IT) per square foot value by 11,356.526682227 to get back to Joule per square meter.
What is 1000 Joule per square meter in Btu (IT) per square foot?
1000 Joule per square meter equals 0.0880550918411529 Btu (IT) per square foot.