Btu inches per hour square foot °F to Watts per meter kelvin Converter
Quick answer: To convert Btu inches per hour square foot °F to watts per meter kelvin, multiply by 0.1442279. For example, 10 Btu·in/(h·ft²·°F) is 1.442279 W/(m·K). One btu inch per hour square foot °f equals 0.1442279 W/(m·K).
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Use the Btu inches per hour square foot °F to Watts per meter kelvin Converter
Btu inches per hour square foot °F to Watts per meter kelvin formula and what each symbol means
W/(m·K) = Btu·in/(h·ft²·°F) × 0.1442279
| Symbol | Meaning |
|---|---|
| Btu·in/(h·ft²·°F) | Btu inch per hour square foot °F |
| W/(m·K) | Watt per meter kelvin |
Btu inches per hour square foot °F to Watts per meter kelvin examples
1 Btu·in/(h·ft²·°F)
1 Btu·in/(h·ft²·°F) × 0.1442279 = 0.1442279 W/(m·K).
10 Btu·in/(h·ft²·°F)
10 Btu·in/(h·ft²·°F) × 0.1442279 = 1.442279 W/(m·K).
100 Btu·in/(h·ft²·°F)
100 Btu·in/(h·ft²·°F) × 0.1442279 = 14.42279 W/(m·K).
Btu inches per hour square foot °F compared with Watts per meter kelvin
One W/(m·K) is 6.933 times as large as one Btu·in/(h·ft²·°F), so your number gets smaller when you convert Btu inches per hour square foot °F to watts per meter kelvin and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About Btu inches per hour square foot °F and watts per meter kelvin
Btu inch per hour square foot °F (Btu·in/(h·ft²·°F)): A US customary unit used for insulation data, about 0.14423 W/(m·K). Watt per meter kelvin (W/(m·K)): The SI unit of thermal conductivity.
How to calculate Btu inches per hour square foot °F to Watts per meter kelvin step by step
- Enter the value in Btu·in/(h·ft²·°F) (the starting unit).
- Multiply by 0.1442279, because 1 Btu·in/(h·ft²·°F) = 0.1442279 W/(m·K).
- The product is the value in W/(m·K). To go back, divide by 0.1442279 or multiply by 6.933472.
Popular thermal conductivity conversions
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How to read your Btu inches per hour square foot °F to Watts per meter kelvin result
Quick estimate: multiply by about 0.144 to get watts per meter kelvin from Btu inches per hour square foot °F; this is within 0.2% of the exact factor. Thermal conductivity is how well a material conducts heat.
| BTU INCHES PER HOUR SQUARE FOOT °F | WATTS PER METER KELVIN |
|---|---|
| 1 | 0.1442279 |
| 2 | 0.2884558 |
| 5 | 0.7211394 |
| 10 | 1.442279 |
| 20 | 2.884558 |
| 50 | 7.211394 |
| 100 | 14.42279 |
| 1,000 | 144.2279 |
Watts per meter kelvin to Btu inches per hour square foot °F: quick table
| WATTS PER METER KELVIN | BTU INCHES PER HOUR SQUARE FOOT °F |
|---|---|
| 1 | 6.933472 |
| 5 | 34.66736 |
| 10 | 69.33472 |
| 25 | 173.3368 |
| 50 | 346.6736 |
| 100 | 693.3472 |
| 250 | 1,733.368 |
| 500 | 3,466.736 |
Common mistakes when calculating Btu inches per hour square foot °F to Watts per meter kelvin
- Mixing Btu·in/(h·ft²·°F), which includes a thickness in inches, with Btu/(h·ft·°F), which uses feet.
- Dividing when you should multiply: from Btu·in/(h·ft²·°F) to W/(m·K) multiply by 0.1442279; from W/(m·K) to Btu·in/(h·ft²·°F) divide by 0.1442279.
Btu inches per hour square foot °F to Watts per meter kelvin FAQ
How many W/(m·K) are in 1 Btu·in/(h·ft²·°F)?
1 Btu·in/(h·ft²·°F) equals 0.1442279 W/(m·K).
How many Btu·in/(h·ft²·°F) are in 1 W/(m·K)?
1 W/(m·K) equals 6.933472 Btu·in/(h·ft²·°F).
Is 1 Btu·in/(h·ft²·°F) = 0.1442279 W/(m·K) an exact conversion?
The factor is shown rounded to 7 significant figures (0.1442279). The calculator above uses more digits.
What is a btu inch per hour square foot °F (Btu·in/(h·ft²·°F))?
A US customary unit used for insulation data, about 0.14423 W/(m·K).
How can I estimate Btu inches per hour square foot °F to watts per meter kelvin in my head?
Quick estimate: multiply by about 0.144 to get watts per meter kelvin from Btu inches per hour square foot °F; this is within 0.2% of the exact factor.
What is 7 Btu·in/(h·ft²·°F) in watts per meter kelvin?
7 Btu·in/(h·ft²·°F) = 1.009595 W/(m·K) (since 7 × 0.1442279).
What is 40 Btu·in/(h·ft²·°F) in watts per meter kelvin?
40 Btu·in/(h·ft²·°F) = 5.769116 W/(m·K) (since 40 × 0.1442279).
What is 200 Btu·in/(h·ft²·°F) in watts per meter kelvin?
200 Btu·in/(h·ft²·°F) = 28.84558 W/(m·K) (since 200 × 0.1442279).
How many decimals should I keep when converting Btu·in/(h·ft²·°F) to W/(m·K)?
Match the precision of your original measurement. For example, 1.442279 W/(m·K) rounds to 1.44 W/(m·K) at 3 significant figures; keep more digits only for engineering or scientific work.
More in Thermal Conductivity converters
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- Watts per centimeter kelvin to Btu inches per hour square foot °F Converter
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the International System of Units (SI)