Btu inches per hour square foot °F to Btu per hour foot °F Converter
Quick answer: To convert Btu inches per hour square foot °F to Btu per hour foot °F, multiply by 0.08333333. For example, 10 Btu·in/(h·ft²·°F) is 0.8333333 Btu/(h·ft·°F). One btu inch per hour square foot °f equals 0.08333333 Btu/(h·ft·°F).
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Use the Btu inches per hour square foot °F to Btu per hour foot °F Converter
Btu inches per hour square foot °F to Btu per hour foot °F formula and what each symbol means
Btu/(h·ft·°F) = Btu·in/(h·ft²·°F) × 0.08333333
| Symbol | Meaning |
|---|---|
| Btu·in/(h·ft²·°F) | Btu inch per hour square foot °F |
| Btu/(h·ft·°F) | Btu per hour foot °F |
Btu inches per hour square foot °F to Btu per hour foot °F examples
1 Btu·in/(h·ft²·°F)
1 Btu·in/(h·ft²·°F) × 0.08333333 = 0.08333333 Btu/(h·ft·°F).
10 Btu·in/(h·ft²·°F)
10 Btu·in/(h·ft²·°F) × 0.08333333 = 0.8333333 Btu/(h·ft·°F).
100 Btu·in/(h·ft²·°F)
100 Btu·in/(h·ft²·°F) × 0.08333333 = 8.333333 Btu/(h·ft·°F).
Btu inches per hour square foot °F compared with Btu per hour foot °F
One Btu/(h·ft·°F) is 12 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 Btu per hour foot °F 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 Btu per hour foot °F
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). Btu per hour foot °F (Btu/(h·ft·°F)): A US customary unit, about 1.7307 W/(m·K).
How to calculate Btu inches per hour square foot °F to Btu per hour foot °F step by step
- Enter the value in Btu·in/(h·ft²·°F) (the starting unit).
- Multiply by 0.08333333, because 1 Btu·in/(h·ft²·°F) = 0.08333333 Btu/(h·ft·°F).
- The product is the value in Btu/(h·ft·°F). To go back, divide by 0.08333333 or multiply by 12.
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How to read your Btu inches per hour square foot °F to Btu per hour foot °F result
Quick estimate: multiply by about 0.083 to get Btu per hour foot °F from Btu inches per hour square foot °F; this is within 0.4% of the exact factor. Copper is roughly 400 W/(m·K), water about 0.6, and still air near 0.026, which is why trapped air insulates well.
| BTU INCHES PER HOUR SQUARE FOOT °F | BTU PER HOUR FOOT °F |
|---|---|
| 1 | 0.08333333 |
| 2 | 0.1666667 |
| 5 | 0.4166667 |
| 10 | 0.8333333 |
| 20 | 1.666667 |
| 50 | 4.166667 |
| 100 | 8.333333 |
| 1,000 | 83.33333 |
Btu per hour foot °F to Btu inches per hour square foot °F: quick table
| BTU PER HOUR FOOT °F | BTU INCHES PER HOUR SQUARE FOOT °F |
|---|---|
| 1 | 12 |
| 5 | 60 |
| 10 | 120 |
| 25 | 300 |
| 50 | 600 |
| 100 | 1,200 |
| 250 | 3,000 |
| 500 | 6,000 |
Common mistakes when calculating Btu inches per hour square foot °F to Btu per hour foot °F
- Confusing conductivity with the heat transfer coefficient, which has a different unit.
- Dividing when you should multiply: from Btu·in/(h·ft²·°F) to Btu/(h·ft·°F) multiply by 0.08333333; from Btu/(h·ft·°F) to Btu·in/(h·ft²·°F) divide by 0.08333333.
Btu inches per hour square foot °F to Btu per hour foot °F FAQ
How many Btu/(h·ft·°F) are in 1 Btu·in/(h·ft²·°F)?
1 Btu·in/(h·ft²·°F) equals 0.08333333 Btu/(h·ft·°F).
How many Btu·in/(h·ft²·°F) are in 1 Btu/(h·ft·°F)?
1 Btu/(h·ft·°F) equals 12 Btu·in/(h·ft²·°F).
Is 1 Btu·in/(h·ft²·°F) = 0.08333333 Btu/(h·ft·°F) an exact conversion?
The factor is shown rounded to 7 significant figures (0.08333333). The calculator above uses more digits.
What is a btu per hour foot °F (Btu/(h·ft·°F))?
A US customary unit, about 1.7307 W/(m·K).
How can I estimate Btu inches per hour square foot °F to Btu per hour foot °F in my head?
Quick estimate: multiply by about 0.083 to get Btu per hour foot °F from Btu inches per hour square foot °F; this is within 0.4% of the exact factor.
What is 3 Btu·in/(h·ft²·°F) in Btu per hour foot °F?
3 Btu·in/(h·ft²·°F) = 0.25 Btu/(h·ft·°F) (since 3 × 0.08333333).
What is 30 Btu·in/(h·ft²·°F) in Btu per hour foot °F?
30 Btu·in/(h·ft²·°F) = 2.5 Btu/(h·ft·°F) (since 30 × 0.08333333).
What is 150 Btu·in/(h·ft²·°F) in Btu per hour foot °F?
150 Btu·in/(h·ft²·°F) = 12.5 Btu/(h·ft·°F) (since 150 × 0.08333333).
How many decimals should I keep when converting Btu·in/(h·ft²·°F) to Btu/(h·ft·°F)?
Match the precision of your original measurement. For example, 0.8333333 Btu/(h·ft·°F) rounds to 0.833 Btu/(h·ft·°F) at 3 significant figures; keep more digits only for engineering or scientific work.
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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)