Convert Watt per metre degree Celsius to BTU per second per foot per degree Fahrenheit
Convert Watt per metre degree Celsius (W/(m·°C)) to BTU per second per foot per degree Fahrenheit (BTU/(s·ft·°F)) instantly and accurately.
Conversion Formula
BTU/(s·ft·°F) = W/(m·°C) × 0.0001604970324
About Watt per metre degree Celsius
The watt per metre degree Celsius (W/(m·°C)) equals exactly 1 W/(m·K) since temperature intervals 1 °C = 1 K. Widely used in building physics (EN ISO 6946), HVAC engineering, and European material datasheets as an equivalent notation. Stone: ≈2.5 W/(m·°C); softwood timber: ≈0.14 W/(m·°C); glass wool: ≈0.04 W/(m·°C). 1 W/(m·°C) = 1 W/(m·K).
About BTU per second per foot per degree Fahrenheit
The BTU per second per foot per degree Fahrenheit (BTU/(s·ft·°F)) equals (1055.05585262 × 9)/(0.3048 × 5) W/(m·K) ≈6230.6 W/(m·K). Equal to 3600 × BTU/(h·ft·°F). Reserved for extremely high-power transient applications in US engineering literature; copper ≈0.0617; carbon steel ≈0.0072 BTU/(s·ft·°F). 1 BTU/(s·ft·°F) = 3600 BTU/(h·ft·°F) ≈6230.6 W/(m·K).
Quick Reference Table
| Watt per metre degree Celsius (W/(m·°C)) | BTU per second per foot per degree Fahrenheit (BTU/(s·ft·°F)) |
|---|---|
| 1 W/(m·°C) | 0.000160497 BTU/(s·ft·°F) |
| 2 W/(m·°C) | 0.000320994 BTU/(s·ft·°F) |
| 5 W/(m·°C) | 0.000802485 BTU/(s·ft·°F) |
| 10 W/(m·°C) | 0.00160497 BTU/(s·ft·°F) |
| 25 W/(m·°C) | 0.00401243 BTU/(s·ft·°F) |
| 50 W/(m·°C) | 0.00802485 BTU/(s·ft·°F) |
| 100 W/(m·°C) | 0.0160497 BTU/(s·ft·°F) |