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Convert Btu (IT)/hour/square foot/°F to Btu (IT)/second/square foot/°F
Easily convert heat transfer coefficients from Btu (IT) per hour per square foot per degree Fahrenheit to Btu (IT) per second per square foot per degree Fahrenheit using this precise online unit converter designed for HVAC and building energy calculations.
Please check your input. It must be a valid numeric value.
Btu (IT)/hour/square foot/%b0F to Btu (IT)/second/square foot/%b0F Conversion Table
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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)/hour/square foot/%b0F | Btu (IT)/second/square foot/%b0F |
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What Is This Tool?
This tool converts heat transfer coefficients between Btu (IT) per hour per square foot per degree Fahrenheit and Btu (IT) per second per square foot per degree Fahrenheit. It helps translate heat flow rates expressed over one hour to an equivalent per second measure used in various HVAC, refrigeration, and building envelope applications.
How to Use This Tool?
- Enter the value in Btu (IT)/hour/square foot/°F.
- Select the original unit (Btu (IT)/hour/square foot/°F).
- Choose the target unit (Btu (IT)/second/square foot/°F).
- Click convert to see the equivalent value.
- Use the converted result for detailed engineering or energy modeling purposes.
Key Features
- Converts heat transfer coefficients from hourly to per-second basis in imperial units.
- Supports HVAC, refrigeration, and building energy modeling calculations.
- Based on recognized imperial measurement standards for heat transfer coefficients.
- Browser-based and user-friendly interface for quick unit conversion.
- Provides clear conversion examples to aid understanding.
Examples
- 5 Btu (IT)/hour/square foot/°F converts to 0.001388889 Btu (IT)/second/square foot/°F.
- 20 Btu (IT)/hour/square foot/°F converts to 0.005555556 Btu (IT)/second/square foot/°F.
Common Use Cases
- Specifying U-values for building components in energy codes and product labels.
- Calculating heating and cooling loads for HVAC equipment sizing and energy simulations.
- Comparing thermal efficiency of insulation and building materials.
- Rating heat-transfer coefficients for heat exchangers and refrigeration components.
- Estimating heat loss or gain through building envelopes using customary US units.
Tips & Best Practices
- Ensure input values are steady-state measurements with uniform temperature differences.
- Be cautious of rounding errors due to the small size of per-second units.
- Cross-check conversion results when instruments use different calibration standards.
- Use the tool to translate hourly heat flow rates to per-second values for real-time monitoring.
- Apply conversions to align with US customary units for consistent engineering calculations.
Limitations
- Conversion assumes steady operating conditions and consistent temperature gradients.
- Small numerical values in per-second units may lead to rounding inaccuracies.
- Variations in measuring devices or calibration standards could impact precision.
Frequently Asked Questions
- What does Btu (IT)/hour/square foot/°F measure?
- It measures the rate of heat flow in Btu per hour through one square foot for each degree Fahrenheit of temperature difference, commonly used to specify overall heat transfer coefficients in buildings.
- Why convert from per hour to per second units?
- Converting to per second units allows for more precise engineering calculations, real-time monitoring, and compatibility with US customary units used in HVAC and refrigeration fields.
- Can this conversion be used for dynamic temperature conditions?
- The conversion assumes steady-state conditions and uniform temperature differences, so it may not be accurate under varying or transient thermal scenarios.
Key Terminology
- Btu (IT)/hour/square foot/°F
- A unit measuring heat transfer per hour through one square foot per degree Fahrenheit temperature difference; used to specify overall heat transfer coefficients in imperial units.
- Btu (IT)/second/square foot/°F
- An imperial unit representing heat power transferred per second through one square foot per degree Fahrenheit; applied in convection and overall heat transfer calculations.
- U-value
- The overall heat transfer coefficient indicating heat flow rate through building components, commonly expressed in Btu (IT)/hour/square foot/°F in US customary units.