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... Langley = ... Btu (IT) per square foot
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Langley to Btu (IT) per square foot Converter
Use this page to convert langley values into btu (it) per square foot, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 Ly = 3.68422504263384 Btu (IT)/ft^2
1 Btu (IT)/ft^2 = 0.271427501965272 Ly
Example: 1000 Ly = 3,684.22504263384 Btu (IT)/ft^2
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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
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 to Btu (IT) per square foot table
| Langley [Ly] | Btu (IT) per square foot [Btu (IT)/ft^2] |
|---|---|
| 0.01 Ly | 0.0368422504263384 Btu (IT)/ft^2 |
| 0.1 Ly | 0.368422504263384 Btu (IT)/ft^2 |
| 1 Ly | 3.68422504263384 Btu (IT)/ft^2 |
| 2 Ly | 7.36845008526767 Btu (IT)/ft^2 |
| 5 Ly | 18.4211252131692 Btu (IT)/ft^2 |
| 10 Ly | 36.8422504263384 Btu (IT)/ft^2 |
| 20 Ly | 73.6845008526767 Btu (IT)/ft^2 |
| 50 Ly | 184.211252131692 Btu (IT)/ft^2 |
| 100 Ly | 368.422504263384 Btu (IT)/ft^2 |
Frequently asked questions
How many Btu (IT) per square foot (Btu (IT)/ft^2) are in one Langley (Ly)?
One Langley equals 3.68422504263384 Btu (IT) per square foot.
How do you convert Langley to Btu (IT) per square foot?
Multiply the Langley value by 3.68422504263384 to get the result in Btu (IT) per square foot.
How do you convert Btu (IT) per square foot back to Langley?
Multiply the Btu (IT) per square foot value by 0.271427501965272 to get back to Langley.
What is 1000 Langley in Btu (IT) per square foot?
1000 Langley equals 3,684.22504263384 Btu (IT) per square foot.
