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Heat Transfer

kW/(m·K)toBTU/(hr·ft·°F)

Convert kilowatts per metre-kelvin (kW/(m·K)) to British thermal units per hour-foot-Fahrenheit (BTU/(hr·ft·°F)).

Factor1 kW/(m·K) = 577.7893 BTU/(hr·ft·°F)

Converter

kW/(m·K)

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

Result
577.789BTU/(hr·ft·°F)

Rendered to 6 significant figures.

Formula

Formula
BTU/(hr·ft·°F) = kW/(m·K) × 577.7893

Multiply any value in kilowatts per metre-kelvin by 577.7893 to obtain the value in British thermal units per hour-foot-Fahrenheit.

Worked example

Convert 1 kW/(m·K) to BTU/(hr·ft·°F).

  1. 01Start with 1 kW/(m·K).
  2. 02Multiply by the conversion factor: 1 × 577.7893 = 577.789 BTU/(hr·ft·°F).
Result1 kW/(m·K) = 577.789 BTU/(hr·ft·°F)

Conversion table

kW/(m·K)BTU/(hr·ft·°F)
1577.79
21155.6
52888.9
105777.9
2011556
5028889
10057779
2001.1556e+5
5002.8889e+5
10005.7779e+5

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from kW/(m·K) to BTU/(hr·ft·°F)?
1 kW/(m·K) equals 577.7893 BTU/(hr·ft·°F). To convert, multiply the value in kilowatts per metre-kelvin by 577.7893.
How do I convert 1 kW/(m·K) to BTU/(hr·ft·°F)?
1 kW/(m·K) = 577.789 BTU/(hr·ft·°F). For any value, multiply by 577.7893.
How do I convert BTU/(hr·ft·°F) back to kW/(m·K)?
Divide by the same factor — or equivalently, multiply by 0.001730735. So 1 BTU/(hr·ft·°F) = 0.00173073 kW/(m·K).
When would I need to convert kilowatt per metre-kelvin to British thermal unit per hour-foot-Fahrenheit?
Thermal conductivity conversions between kW/(m·K) and BTU/(hr·ft·°F) are common in insulation specification, heat-exchanger design, and building-envelope analysis. SI units (W/(m·K)) appear in international standards and simulation tools, while BTU/(hr·ft·°F) is standard in US codes and vendor datasheets.
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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