Convert hour square foot Fahrenheit per BTU to square meter kelvin per watt
1 R (h·ft²·°F/BTU) = 0.1761101837 RSI (m²·K/W)
1 R (h·ft²·°F/BTU) = 0.17611 RSI (m²·K/W)
1 R (h·ft²·°F/BTU) in every areal thermal resistance unit
| square millimeter kelvin per watt | 176,110 mm²·K/W |
| square centimeter Celsius per watt | 1,761.1 cm²·°C/W |
| square inch hour Fahrenheit per BTU | 144 in²·h·°F/BTU |
| tog | 1.7611 tog |
| clo | 1.1362 clo |
| hour square foot Fahrenheit per BTU | 1 R (h·ft²·°F/BTU) |
| square meter hour Celsius per kilocalorie | 0.20468 m²·h·°C/kcal |
| square meter kelvin per watt | 0.17611 RSI (m²·K/W) |
| square meter Celsius per watt | 0.17611 m²·°C/W |
How the conversion works
Multiply by 0.1761101837 to go from hour square foot Fahrenheit per BTU to square meter kelvin per watt, or divide by it to go back. Every conversion on this site routes through the SI value (m²·K/W) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? square meter kelvin per watt to hour square foot Fahrenheit per BTU — 1 RSI (m²·K/W) = 5.678263341 R (h·ft²·°F/BTU).
hour square foot Fahrenheit per BTU to square meter kelvin per watt — common values
| 1 R (h·ft²·°F/BTU) | 0.17611018 RSI (m²·K/W) |
| 2 R (h·ft²·°F/BTU) | 0.35222037 RSI (m²·K/W) |
| 3 R (h·ft²·°F/BTU) | 0.52833055 RSI (m²·K/W) |
| 5 R (h·ft²·°F/BTU) | 0.88055092 RSI (m²·K/W) |
| 10 R (h·ft²·°F/BTU) | 1.7611018 RSI (m²·K/W) |
| 15 R (h·ft²·°F/BTU) | 2.6416528 RSI (m²·K/W) |
| 20 R (h·ft²·°F/BTU) | 3.5222037 RSI (m²·K/W) |
| 25 R (h·ft²·°F/BTU) | 4.4027546 RSI (m²·K/W) |
| 50 R (h·ft²·°F/BTU) | 8.8055092 RSI (m²·K/W) |
| 75 R (h·ft²·°F/BTU) | 13.208264 RSI (m²·K/W) |
| 100 R (h·ft²·°F/BTU) | 17.611018 RSI (m²·K/W) |
| 250 R (h·ft²·°F/BTU) | 44.027546 RSI (m²·K/W) |
| 500 R (h·ft²·°F/BTU) | 88.055092 RSI (m²·K/W) |
| 1000 R (h·ft²·°F/BTU) | 176.11018 RSI (m²·K/W) |