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How to Convert from Btu (IT)/second/square foot/°F to Btu (th)/hour/square foot/°F
Convert heat transfer coefficient units from Btu (IT) per second per square foot per degree Fahrenheit to Btu (th) per hour per square foot per degree Fahrenheit for HVAC, refrigeration, and building thermal calculations.
Please check your input. It must be a valid numeric value.
Btu (IT)/second/square foot/%b0F to Btu (th)/hour/square foot/%b0F Conversion Table
| Btu (IT)/second/square foot/%b0F | Btu (th)/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 (IT)/second/square foot/%b0F | Btu (th)/hour/square foot/%b0F |
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What Is This Tool?
This converter transforms heat transfer coefficient values from the unit Btu (IT)/second/square foot/°F to Btu (th)/hour/square foot/°F, enabling users to express instantaneous heat transfer rates as hourly values useful in energy modeling and thermal performance evaluation within US customary engineering.
How to Use This Tool?
- Enter the heat transfer coefficient value in Btu (IT)/second/square foot/°F
- Select the original unit and the desired unit Btu (th)/hour/square foot/°F
- Click convert to obtain the equivalent value in the target unit
- Use the converted result for energy modeling or thermal performance analysis
Key Features
- Converts imperial heat transfer coefficients between instantaneous and hourly units
- Supports calculation for HVAC, refrigeration, and building envelope analysis
- Browser-based and straightforward to use
- Accurately converts between power transferred per unit area per temperature difference units
Examples
- 0.5 Btu (IT)/second/square foot/°F converts to approximately 1801.2046 Btu (th)/hour/square foot/°F
- 2 Btu (IT)/second/square foot/°F converts to approximately 7204.8184 Btu (th)/hour/square foot/°F
Common Use Cases
- Specifying convective heat-transfer coefficients in HVAC and refrigeration components
- Rating overall heat-transfer coefficients of heat exchangers and surface coatings
- Calculating heat loss or gain through building envelopes using US customary units
- Sizing and assessing performance of HVAC heat exchangers and radiators
- Comparing insulation performance and steady-state heat transfer through assemblies
Tips & Best Practices
- Always ensure consistent units for temperature difference and area when converting
- Apply conversions only for steady-state heat transfer analysis
- Use this tool to translate instantaneous heat transfer rates into hourly values for building and HVAC calculations
- Double-check input values for accuracy before conversion
Limitations
- Conversion assumes steady-state heat transfer and does not account for transient effects
- Consistency in temperature difference and area units must be maintained for accurate results
Frequently Asked Questions
- What does Btu (IT)/second/square foot/°F measure?
- It measures the heat transfer coefficient as power transferred per unit area per degree Fahrenheit temperature difference, used in US customary heating calculations.
- Why convert to Btu (th)/hour/square foot/°F?
- Converting provides heat transfer rates expressed per hour, which is helpful for energy modeling and assessing thermal performance over time.
- Can this tool be used for transient heat transfer calculations?
- No, the conversion is intended for steady-state heat transfer conditions and does not apply to transient scenarios.
Key Terminology
- Btu (IT)/second/square foot/°F
- An imperial unit measuring heat transfer power per unit area per degree Fahrenheit, representing instantaneous heat transfer rate used in engineering.
- Btu (th)/hour/square foot/°F
- A unit representing heat transfer rate per hour per unit area per degree Fahrenheit, commonly used to quantify thermal transmittance in building and HVAC applications.