Fluids & Heat
Thermal Conductivity Converter
How well a material conducts heat: W/(m·K), BTU/(h·ft·°F), BTU·in/(h·ft²·°F) and calorie units (International Table BTU and calorie).
That is below absolute zero (−273.15 °C), which isn’t physically possible.
1 Watt per meter kelvin = 0.5777893165 BTU per hour foot °F
Formula: divide the thermal conductivity value by 1.730734666
1 W/(m·K) in every thermal conductivity unit
Tap a row to convert to that unit.
How to convert thermal conductivity units
How well a material conducts heat: W/(m·K), BTU/(h·ft·°F), BTU·in/(h·ft²·°F) and calorie units (International Table BTU and calorie). Every conversion goes through one base unit, the watt per meter kelvin, using exact factors, so results don’t drift.
Watts per meter kelvin to bTU per hour foot °F (W/(m·K) to BTU/(h·ft·°F))
To convert watts per meter kelvin to bTU per hour foot °F, divide by 1.730734666. 1 watt per meter kelvin = 0.5777893 bTU per hour foot °F.
| W/(m·K) | BTU/(h·ft·°F) |
|---|---|
| 1 W/(m·K) | 0.5777893 BTU/(h·ft·°F) |
| 2 W/(m·K) | 1.155579 BTU/(h·ft·°F) |
| 5 W/(m·K) | 2.888947 BTU/(h·ft·°F) |
| 10 W/(m·K) | 5.777893 BTU/(h·ft·°F) |
| 20 W/(m·K) | 11.55579 BTU/(h·ft·°F) |
| 50 W/(m·K) | 28.88947 BTU/(h·ft·°F) |
| 100 W/(m·K) | 57.77893 BTU/(h·ft·°F) |
BTU per hour foot °F to watts per meter kelvin (BTU/(h·ft·°F) to W/(m·K))
To convert bTU per hour foot °F to watts per meter kelvin, multiply by 1.730734666. 1 bTU per hour foot °F = 1.730735 watts per meter kelvin.
| BTU/(h·ft·°F) | W/(m·K) |
|---|---|
| 1 BTU/(h·ft·°F) | 1.730735 W/(m·K) |
| 2 BTU/(h·ft·°F) | 3.461469 W/(m·K) |
| 5 BTU/(h·ft·°F) | 8.653673 W/(m·K) |
| 10 BTU/(h·ft·°F) | 17.30735 W/(m·K) |
| 20 BTU/(h·ft·°F) | 34.61469 W/(m·K) |
| 50 BTU/(h·ft·°F) | 86.53673 W/(m·K) |
| 100 BTU/(h·ft·°F) | 173.0735 W/(m·K) |
BTU-inch per hour square foot °F to watts per meter kelvin (BTU·in/(h·ft²·°F) to W/(m·K))
To convert bTU-inch per hour square foot °F to watts per meter kelvin, divide by 6.933471799. 1 bTU-inch per hour square foot °F = 0.1442279 watts per meter kelvin.
Watts per meter kelvin to bTU-inch per hour square foot °F (W/(m·K) to BTU·in/(h·ft²·°F))
To convert watts per meter kelvin to bTU-inch per hour square foot °F, multiply by 6.933471799. 1 watt per meter kelvin = 6.933472 bTU-inch per hour square foot °F.