Convert Celsius Heat Unit per hour per square foot per degree Celsius to Milliwatt per square metre kelvin
Convert Celsius Heat Unit per hour per square foot per degree Celsius (CHU/(h·ft²·°C)) to Milliwatt per square metre kelvin (mW/(m²·K)) instantly and accurately.
Conversion Formula
mW/(m²·K) = CHU/(h·ft²·°C) × 5678.263341
About Celsius Heat Unit per hour per square foot per degree Celsius
The Celsius heat unit per hour per square foot per degree Celsius (CHU/(h·ft²·°C)) equals ≈ 5.6783 W/(m²·K) - numerically identical to BTU(IT)/(h·ft²·°F). Used in UK and Canadian steam and process engineering; the temperature-interval ratio °F/°C = 5/9 is exactly compensated by the energy ratio CHU/BTU(IT) = 9/5, making both units numerically equal. 1 CHU/(h·ft²·°C) = 1 BTU(IT)/(h·ft²·°F) ≈ 5.6783 W/(m²·K).
About Milliwatt per square metre kelvin
The milliwatt per square metre kelvin (mW/(m²·K)) equals 10⁻³ W/(m²·K). Used in thermal characterization of advanced superinsulation panels and cryogenic multilayer insulation (MLI) in space applications, where effective heat transfer coefficients as low as 0.5-5 mW/(m²·K) are achieved in high-vacuum multilayer systems. 1 mW/(m²·K) = 10⁻³ W/(m²·K).
Quick Reference Table
| Celsius Heat Unit per hour per square foot per degree Celsius (CHU/(h·ft²·°C)) | Milliwatt per square metre kelvin (mW/(m²·K)) |
|---|---|
| 1 CHU/(h·ft²·°C) | 5678.26 mW/(m²·K) |
| 2 CHU/(h·ft²·°C) | 11356.5 mW/(m²·K) |
| 5 CHU/(h·ft²·°C) | 28391.3 mW/(m²·K) |
| 10 CHU/(h·ft²·°C) | 56782.6 mW/(m²·K) |
| 25 CHU/(h·ft²·°C) | 141957 mW/(m²·K) |
| 50 CHU/(h·ft²·°C) | 283913 mW/(m²·K) |
| 100 CHU/(h·ft²·°C) | 567826 mW/(m²·K) |