Kelvin per watt to °F·hour per BTU
Type a value in K/W to get it in °F·h/BTU instantly.
1.055°F·h/BTU
That's 4× as insulating as a large finned heatsink, while a small clip-on heatsink is 2.5× higher. A 10 W part on it would sit about 20 °C above ambient.
Convert the other way: °F·h/BTU to K/W
What it means
How well does it get rid of heat?
Heatsink ratings assume free air. Forced airflow can halve the figure, and a poor thermal interface can add more resistance than the heatsink removes.
The math
How to convert K/W to °F·h/BTU
To convert kelvin per watt to °F·hour per BTU, multiply by 0.527528.
Example: 2 K/W × 0.527528 = 1.05506 °F·h/BTU.
In the other direction, 1 °F·h/BTU = 1.89563 K/W.
Every unit
Your resistance in every unit
Tables
K/W to °F·h/BTU conversion table
| K/W | °F·h/BTU |
|---|---|
| 0.1 K/W | 0.0527528 °F·h/BTU |
| 0.25 K/W | 0.131882 °F·h/BTU |
| 0.5 K/W | 0.263764 °F·h/BTU |
| 1 K/W | 0.527528 °F·h/BTU |
| 2 K/W | 1.05506 °F·h/BTU |
| 5 K/W | 2.63764 °F·h/BTU |
| 10 K/W | 5.27528 °F·h/BTU |
| 20 K/W | 10.5506 °F·h/BTU |
| 50 K/W | 26.3764 °F·h/BTU |
| 100 K/W | 52.7528 °F·h/BTU |
| 250 K/W | 131.882 °F·h/BTU |
°F·h/BTU to K/W conversion table
| °F·h/BTU | K/W |
|---|---|
| 0.1 °F·h/BTU | 0.189563 K/W |
| 0.25 °F·h/BTU | 0.473909 K/W |
| 0.5 °F·h/BTU | 0.947817 K/W |
| 1 °F·h/BTU | 1.89563 K/W |
| 2 °F·h/BTU | 3.79127 K/W |
| 5 °F·h/BTU | 9.47817 K/W |
| 10 °F·h/BTU | 18.9563 K/W |
| 20 °F·h/BTU | 37.9127 K/W |
| 50 °F·h/BTU | 94.7817 K/W |
| 100 °F·h/BTU | 189.563 K/W |
| 250 °F·h/BTU | 473.909 K/W |
Quick answers
Quick answers
- How many °F·h/BTU is 1 K/W?
- 1 K/W is 0.527528 °F·h/BTU.
- How many °F·h/BTU is 10 K/W?
- 10 K/W is 5.27528 °F·h/BTU.
- How many °F·h/BTU is 2 K/W?
- 2 K/W is 1.05506 °F·h/BTU.
The units
About these units
Kelvin per watt (K/W)
The SI form, and the standard on heatsink datasheets.
°F·hour per BTU (°F·h/BTU)
The US building and HVAC unit for a whole assembly.
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