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How to Convert from Btu (th)/second/square foot/°F to Btu (IT)/hour/square foot/°F?
Learn to convert heat transfer coefficient units from Btu (thermal) per second per square foot per degree Fahrenheit to Btu (International Table) per hour per square foot per degree Fahrenheit for accurate building and HVAC calculations.
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Btu (th)/second/square foot/%b0F to Btu (IT)/hour/square foot/%b0F Conversion Table
| Btu (th)/second/square foot/%b0F | Btu (IT)/hour/square foot/%b0F |
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Custom Unit Conversion Table Generator – Instant Printable Conversion Tables
Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
| Btu (th)/second/square foot/%b0F | Btu (IT)/hour/square foot/%b0F |
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What Is This Tool?
This converter transforms heat transfer coefficient values expressed in Btu (thermal) per second per square foot per degree Fahrenheit to Btu (International Table) per hour per square foot per degree Fahrenheit. It simplifies the process of adapting values for HVAC design, building energy modeling, and compliance with heat transfer standards using imperial units.
How to Use This Tool?
- Enter the heat transfer coefficient value in Btu (th)/second/square foot/°F
- Select the target unit Btu (IT)/hour/square foot/°F for conversion
- Click convert to obtain the equivalent value aligning with energy codes and HVAC calculations
Key Features
- Accurate conversion between two heat transfer coefficient units used in imperial measurement systems
- Supports unit adjustments between thermal (th) and International Table (IT) Btu standards
- Facilitates compliance with energy codes and product specification requirements
- Simple interface suitable for professionals in HVAC, construction, and energy modeling
Examples
- 2 Btu (th)/second/square foot/°F converts to 7195.1848667084 Btu (IT)/hour/square foot/°F
- 0.5 Btu (th)/second/square foot/°F converts to 1798.7962166771 Btu (IT)/hour/square foot/°F
Common Use Cases
- Estimating convective or conductive heat flux in building envelopes using imperial units
- Sizing HVAC equipment and calculating heating or cooling loads expressed in Btu and ft²
- Specifying U-values for windows, walls, and roofs for energy codes and labeling
- Comparing thermal performance of insulation and building components
Tips & Best Practices
- Confirm that you are using consistent unit systems throughout your calculations
- Recognize the difference between thermal and International Table Btu units when interpreting results
- Use this conversion to align with energy codes and product specifications requiring hourly heat flow rates
- Double-check input values for time and area units to avoid errors
Limitations
- Conversion assumes compatibility between thermal and International Table Btu units, which differ slightly in energy content
- Inconsistent application of time units (seconds versus hours) can cause inaccuracies
- Real-world variations in measurement standards may influence precision
- Not suitable for units outside the specified heat transfer coefficient measurements
Frequently Asked Questions
- Why convert Btu (th)/second to Btu (IT)/hour for heat transfer coefficients?
- Converting these units helps align heat transfer coefficient values with common energy codes and HVAC calculations that use Btu (International Table) per hour for consistent performance assessment.
- Can I use this conversion for other unit types besides heat transfer coefficients?
- This conversion specifically applies to heat transfer coefficient units involving Btu (th)/second/square foot/°F to Btu (IT)/hour/square foot/°F and should not be used for other unit types.
- What should I watch out for when using this converter?
- Ensure consistent use of time units and be aware that thermal and International Table Btu differ slightly, which may affect accuracy in some contexts.
Key Terminology
- Btu (th)/second/square foot/°F
- A unit measuring the rate of thermal energy transfer per second across a square foot for each degree Fahrenheit, using thermal Btu.
- Btu (IT)/hour/square foot/°F
- A unit defining heat flow rate per hour through one square foot area for each Fahrenheit degree difference, using International Table Btu.
- Heat Transfer Coefficient
- A measure of heat transfer rate across a surface area per unit temperature difference.