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... Btu (IT) per square foot = ... Langley

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Btu (IT) per square foot to Langley Converter

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

Conversion formula

1 Btu (IT)/ft^2 = 0.271427501965272 Ly

1 Ly = 3.68422504263384 Btu (IT)/ft^2

Example: 1000 Btu (IT)/ft^2 = 271.427501965272 Ly

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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.

Langley

One langley is equal to 41,840 joules per square meter.

History: The langley was named for Samuel Pierpont Langley and was widely used in solar radiation measurements.

Current use: Langley is mostly used for historical meteorology, solar radiation, and climatology references.

Also written as Ly.

Btu (IT) per square foot to Langley table

Btu (IT) per square foot [Btu (IT)/ft^2]Langley [Ly]
0.01 Btu (IT)/ft^20.00271427501965272 Ly
0.1 Btu (IT)/ft^20.0271427501965272 Ly
1 Btu (IT)/ft^20.271427501965272 Ly
2 Btu (IT)/ft^20.542855003930544 Ly
5 Btu (IT)/ft^21.35713750982636 Ly
10 Btu (IT)/ft^22.71427501965272 Ly
20 Btu (IT)/ft^25.42855003930544 Ly
50 Btu (IT)/ft^213.5713750982636 Ly
100 Btu (IT)/ft^227.1427501965272 Ly

Frequently asked questions

  • How many Langley (Ly) are in one Btu (IT) per square foot (Btu (IT)/ft^2)?

    One Btu (IT) per square foot equals 0.271427501965272 Langley.

  • How do you convert Btu (IT) per square foot to Langley?

    Multiply the Btu (IT) per square foot value by 0.271427501965272 to get the result in Langley.

  • How do you convert Langley back to Btu (IT) per square foot?

    Multiply the Langley value by 3.68422504263384 to get back to Btu (IT) per square foot.

  • What is 1000 Btu (IT) per square foot in Langley?

    1000 Btu (IT) per square foot equals 271.427501965272 Langley.