Thermal Resistance Converter
Convert thermal resistance: K/W, °F·h/BTU.
6 decimals
1 K/W = 0.527528 °F·h/BTU
About the thermal resistance converter
Convert thermal resistance between K/W (SI), °C/W, and °F·h/BTU. Thermal resistance describes how strongly a material or assembly resists heat flow — the inverse of conductance. Higher values mean better insulation.
Frequently asked questions
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How many K/W is 1 °F·h/BTU?
One °F·h/BTU equals approximately 1.8956 K/W.
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Is K/W the same as °C/W?
Yes. Since the values describe a temperature difference, K and °C intervals are equivalent.
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How is thermal resistance related to R-value?
Construction R-value is per unit area: R = thermal resistance × area. Building R-values are usually quoted in (m²·K)/W (RSI) or (ft²·°F·h)/BTU (R-value).
Complete list of thermal resistance units
- Kelvin/Watt [K/W]