Convert btu per hour ft² °fs to watt per square meter kelvins
1 BTU/(h·ft²·°F) = 5.67826334111 W/(m²·K) — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 5 heat transfer coefficient units
- Watt per square meter kelvins W/(m²·K) 5.678 263 341 11
- Kilowatt per square meter kelvins kW/(m²·K) 0.005 678 263 341 11
- BTU per hour ft² °Fs BTU/(h·ft²·°F) 1
- Kilocalorie per hour m² °Cs kcal/(h·m²·°C) 4.885 695 035 37
- Calorie per second cm² °Cs cal/(s·cm²·°C) 0.000 135 713 750 983
Every row is BTU per hour ft² °F (BTU/(h·ft²·°F)) converted through the watt per square meter kelvin, in exact rational arithmetic.
How to convert btu per hour ft² °fs to watt per square meter kelvins
Multiply the number of btu per hour ft² °fs by 5.67826334111 to get watt per square meter kelvins.
BTU per hour ft² °F: The US U-factor. Exactly the reciprocal of R-value.
Watt per square meter kelvin: The U-value in European building regulations.
BTU per hour ft² °F to Watt per square meter kelvin conversion table
| BTU per hour ft² °Fs (BTU/(h·ft²·°F)) | Watt per square meter kelvins (W/(m²·K)) |
|---|---|
| 1 BTU/(h·ft²·°F) | 5.678 263 3 |
| 2 BTU/(h·ft²·°F) | 11.356 527 |
| 3 BTU/(h·ft²·°F) | 17.034 79 |
| 5 BTU/(h·ft²·°F) | 28.391 317 |
| 10 BTU/(h·ft²·°F) | 56.782 633 |
| 20 BTU/(h·ft²·°F) | 113.565 27 |
| 25 BTU/(h·ft²·°F) | 141.956 58 |
| 50 BTU/(h·ft²·°F) | 283.913 17 |
| 100 BTU/(h·ft²·°F) | 567.826 33 |
| 250 BTU/(h·ft²·°F) | 1419.5658 |
| 500 BTU/(h·ft²·°F) | 2839.1317 |
| 1000 BTU/(h·ft²·°F) | 5678.2633 |
Watt per square meter kelvin to BTU per hour ft² °F conversion table
| Watt per square meter kelvins (W/(m²·K)) | BTU per hour ft² °Fs (BTU/(h·ft²·°F)) |
|---|---|
| 1 W/(m²·K) | 0.176 110 18 |
| 2 W/(m²·K) | 0.352 220 37 |
| 3 W/(m²·K) | 0.528 330 55 |
| 5 W/(m²·K) | 0.880 550 92 |
| 10 W/(m²·K) | 1.761 101 8 |
| 20 W/(m²·K) | 3.522 203 7 |
| 25 W/(m²·K) | 4.402 754 6 |
| 50 W/(m²·K) | 8.805 509 2 |
| 100 W/(m²·K) | 17.611 018 |
| 250 W/(m²·K) | 44.027 546 |
| 500 W/(m²·K) | 88.055 092 |
| 1000 W/(m²·K) | 176.110 18 |
Frequently asked
How many watt per square meter kelvins are in a btu per hour ft² °f?
One btu per hour ft² °f equals 5.678263341 watt per square meter kelvins (BTU/(h·ft²·°F) → W/(m²·K)). That figure is exact, not rounded.
How do you convert btu per hour ft² °fs to watt per square meter kelvins?
Multiply the number of btu per hour ft² °fs by 5.67826334111 to get watt per square meter kelvins.
What is 1 W/(m²·K) in btu per hour ft² °fs?
One watt per square meter kelvin is 0.1761101837 btu per hour ft² °fs.
What is 10 BTU/(h·ft²·°F) in W/(m²·K)?
10 BTU/(h·ft²·°F) = 56.782 633 W/(m²·K).
What exactly is a btu per hour ft² °f?
The US U-factor. Exactly the reciprocal of R-value.
What exactly is a watt per square meter kelvin?
The U-value in European building regulations.