Thermal Resistance Converter

Convert thermal resistance measurements.

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Popular Thermal Resistance Conversions

K/W to h·ft²·°F/BTU h·ft²·°F/BTU to K/W m²·K/W to K/W

Complete List of Thermal Resistance Units for Conversion

1 Kelvin per Kilowatt [K/kW] = 0.00100000 Kelvin per Watt [K/W]

Kelvin per Kilowatt to Kelvin per Watt, Kelvin per Watt to Kelvin per Kilowatt

1 Celsius per Watt [°C/W] = 1.00000 Kelvin per Watt [K/W]

Celsius per Watt to Kelvin per Watt, Kelvin per Watt to Celsius per Watt

1 Fahrenheit per Watt [°F/W] = 0.555556 Kelvin per Watt [K/W]

Fahrenheit per Watt to Kelvin per Watt, Kelvin per Watt to Fahrenheit per Watt

1 Degree Fahrenheit Hour per BTU (IT) [°F·h/BTU(IT)] = 1.89563 Kelvin per Watt [K/W]

Degree Fahrenheit Hour per BTU (IT) to Kelvin per Watt, Kelvin per Watt to Degree Fahrenheit Hour per BTU (IT)

1 Degree Fahrenheit Hour per BTU (th) [°F·h/BTU(th)] = 1.89690 Kelvin per Watt [K/W]

Degree Fahrenheit Hour per BTU (th) to Kelvin per Watt, Kelvin per Watt to Degree Fahrenheit Hour per BTU (th)

1 Degree Fahrenheit Second per BTU (IT) [°F·s/BTU(IT)] = 0.000526565 Kelvin per Watt [K/W]

Degree Fahrenheit Second per BTU (IT) to Kelvin per Watt, Kelvin per Watt to Degree Fahrenheit Second per BTU (IT)

1 Degree Fahrenheit Second per BTU (th) [°F·s/BTU(th)] = 0.000526917 Kelvin per Watt [K/W]

Degree Fahrenheit Second per BTU (th) to Kelvin per Watt, Kelvin per Watt to Degree Fahrenheit Second per BTU (th)

1 Square Meter Kelvin per Watt [m²·K/W] = 1.00000 Kelvin per Watt [K/W]

Square Meter Kelvin per Watt to Kelvin per Watt, Kelvin per Watt to Square Meter Kelvin per Watt

1 Square Centimeter Kelvin per Watt [cm²·K/W] = 10000.0 Kelvin per Watt [K/W]

Square Centimeter Kelvin per Watt to Kelvin per Watt, Kelvin per Watt to Square Centimeter Kelvin per Watt

1 Hour Square Foot Fahrenheit per BTU [h·ft²·°F/BTU] = 0.176110 Kelvin per Watt [K/W]

Hour Square Foot Fahrenheit per BTU to Kelvin per Watt, Kelvin per Watt to Hour Square Foot Fahrenheit per BTU

How this thermal resistance converter works

Kelvin per Watt (K/W) is used as the internal base unit. Every value you enter is first converted to Kelvin per Watt using exact SI factors, then translated to the requested unit with the same data pulled from the SI Brochure and NIST SP 811.

Key thermal resistance relationships

1 Kelvin per Kilowatt = 0.001 Kelvin per Watt
1 Celsius per Watt = 1 Kelvin per Watt
1 Fahrenheit per Watt = 0.555556 Kelvin per Watt
1 Degree Fahrenheit Hour per BTU (IT) = 1.89563 Kelvin per Watt
1 Degree Fahrenheit Hour per BTU (th) = 1.8969 Kelvin per Watt

Where thermal resistance units are used

Thermal engineers, HVAC professionals, and chemists rely on accurate heat and thermodynamics conversions to balance energy budgets and ensure safe operating conditions. The thermal resistance converter covers real-world units such as Kelvin per Watt and Kelvin per Kilowatt, giving teams a trusted reference when cross-checking data between labs, suppliers, and regulatory filings.

Tips for accurate thermal resistance conversions

Always verify the unit symbol in your worksheet—this converter normalizes values through Kelvin per Watt, which is the SI reference for thermal resistance measurements.
When jumping between Kelvin per Watt and Kelvin per Kilowatt, watch metric prefixes and rounding. A misplaced milli-, micro-, or kilo- prefix can produce errors of several orders of magnitude.
Document the context (test conditions, instrument resolution, uncertainty) whenever you publish thermal resistance conversions so coworkers and auditors can reproduce your results.

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