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Thermal Resistance

µK/WtoK/(BTU/h)

Convert microkelvins per watt (µK/W) to kelvins per BTU per hour (K/(BTU/h)).

Factor1 µK/W = 2.930711e-7 K/(BTU/h)

Converter

µK/W

Accepts numbers or expressions, e.g. 150 + 14.7

Result
0.293071K/(BTU/h)

Rendered to 6 significant figures.

Formula

Formula
K/(BTU/h) = µK/W × 2.930711e-7

Multiply any value in microkelvins per watt by 2.930711e-7 to obtain the value in kelvins per BTU per hour.

Worked example

Convert 1.00000e+6 µK/W to K/(BTU/h).

  1. 01Start with 1.00000e+6 µK/W.
  2. 02Multiply by the conversion factor: 1.00000e+6 × 2.930711e-7 = 0.293071 K/(BTU/h).
Result1.00000e+6 µK/W = 0.293071 K/(BTU/h)

Conversion table

µK/WK/(BTU/h)
12.9307e-7
25.8614e-7
51.4654e-6
102.9307e-6
205.8614e-6
501.4654e-5
1002.9307e-5
2005.8614e-5
5000.00014654
10000.00029307

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from µK/W to K/(BTU/h)?
1 µK/W equals 2.930711e-7 K/(BTU/h). To convert, multiply the value in microkelvins per watt by 2.930711e-7.
How do I convert 1 µK/W to K/(BTU/h)?
1 µK/W = 2.93071e-7 K/(BTU/h). For any value, multiply by 2.930711e-7.
How do I convert K/(BTU/h) back to µK/W?
Divide by the same factor — or equivalently, multiply by 3412142. So 1 K/(BTU/h) = 3.41214e+6 µK/W.
When would I need to convert microkelvin per watt to kelvin per BTU per hour?
Thermal-resistance conversions between µK/W and K/(BTU/h) appear in electronics cooling (heat-sink and TIM datasheets), transformer, motor and generator thermal-rise calculations, lumped-element R-C thermal-network modelling, and transient heat-transfer analysis. K/W and °C/W are the SI standard; mK/W and µK/W cover sub-SI heat-sink and TIM datasheet ladders; K/kW and K/MW cover large-equipment and power-plant notation; °F·h/BTU and °F·s/BTU are the US convention. This category is lumped thermal resistance only — it does NOT include area-normalized R-value (m²·K/W), thermal-conductivity inverse with geometry, or U-value calculations, all of which are different physical quantities.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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