Convert Celsius Heat Unit per hour per square foot to Microwatt per square metre
Convert Celsius Heat Unit per hour per square foot (CHU/(h·ft²)) to Microwatt per square metre (µW/m²) instantly and accurately.
Conversion Formula
µW/m² = CHU/(h·ft²) × 5678263.341
About Celsius Heat Unit per hour per square foot
The Celsius heat unit per hour per square foot (CHU/(h·ft²)) equals (9/5)×1055.05585262/(3600×0.09290304) ≈ 5.6783 W/m². The CHU (= 9/5 BTU(IT)) uses a 1 °C temperature interval instead of 1 °F; historically used in UK and Canadian heating engineering. 1 CHU/(h·ft²) ≈ 5.6783 W/m² = (9/5) × BTU(IT)/(h·ft²).
About Microwatt per square metre
The microwatt per square metre (µW/m²) equals 10⁻⁶ W/m². Encountered in geothermal science - deep crustal heat flux measurements in stable shield regions can reach a few µW/m² - and in bio-electromagnetic research for very low intensity radiation fields. 1 µW/m² = 10⁻⁶ W/m² = 10³ nW/m².
Quick Reference Table
| Celsius Heat Unit per hour per square foot (CHU/(h·ft²)) | Microwatt per square metre (µW/m²) |
|---|---|
| 1 CHU/(h·ft²) | 5678260 µW/m² |
| 2 CHU/(h·ft²) | 11356500 µW/m² |
| 5 CHU/(h·ft²) | 28391300 µW/m² |
| 10 CHU/(h·ft²) | 56782600 µW/m² |
| 25 CHU/(h·ft²) | 141957000 µW/m² |
| 50 CHU/(h·ft²) | 283913000 µW/m² |
| 100 CHU/(h·ft²) | 567826000 µW/m² |