°F·h·ft²/Btuthv3rev 12026-03-17NIST Guide for the Use of the International System of Units (SI). NIST Special Publication 811, 2008 Edition. NIST (National Institute of Standards and Technology), Gaithersburg, MD.
degree Fahrenheit hour square foot per British thermal unit (thermochemical)
0112/2///62720#UAA040
unit of the thermal insulance according to the according to the Imperial system of units
unitAll properties20#
- IRDI
- 0112/2///62720#UAA040degree Fahrenheit hour square foot per British thermal unit (thermochemical)
- Version
- 3
- Revision
- 1
- Preferred name
- degree Fahrenheit hour square foot per British thermal unit (thermochemical)
- Short name
- °F·h·ft²/Btuth
- Definition
- unit of the thermal insulance according to the according to the Imperial system of units
- Definition source
NIST Guide for the Use of the International System of Units (SI). NIST Special Publication 811, 2008 Edition. NIST (National Institute of Standards and Technology), Gaithersburg, MD.
- Unit structure
- kg⁻¹ s³ K¹
- Unit in text
- degree Fahrenheit hour square foot per British thermal unit (thermochemical)
- Unit in SGML/XML
Structured markup (math)(409 chars)
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> <!-- UAA040 --> <mrow> <mfrac> <mrow> <mi mathvariant="normal">°F</mi> <mo>·</mo> <mi mathvariant="normal">h</mi> <mo>·</mo> <msup> <mi mathvariant="normal">ft</mi> <mn>2</mn> </msup> </mrow> <msub> <mrow> <mi mathvariant="normal">Btu</mi> </mrow> <mrow> <mi mathvariant="normal">th</mi> </mrow> </msub> </mfrac> </mrow> </math>
- UN/ECE code
- J19
- Unit conversion
Structured markup (UnitsML)(571 chars)
<UnitsML xmlns="https://schema.unitsml.org/unitsml/1.0"><Unit xml:id="0112/2///62720#UAA746"><Conversions><Float64ConversionFrom xml:id="UAA746_from_UAA040" initialUnit="0112/2///62720#UAA040" multiplicand="0.1762280836534357661118224498" divisor="1" /></Conversions></Unit><Unit xml:id="https://si-digital-framework.org/SI/units/second3.kelvin.kilogram-1"><Conversions><Float64ConversionFrom xml:id="SI::second3.kelvin.kilogram-1_from_UAA040" initialUnit="0112/2///62720#UAA040" multiplicand="0.1762280836534357661118224498" divisor="1" /></Conversions></Unit></UnitsML>
- Responsible committee
- IEC/SC 3D
- Publisher
- IEC
- Published in
- IEC 62720
- Status level
- Standard
- Version release date
- 2026-03-17
- Revision release date
- 2026-03-17
- Version initiation date
- 2026-03-17
- Change request ID
- C00192