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How to Convert from Btu (th)/second/square foot/%b0F to Btu (th)/hour/square foot/%b0F?
Learn how to convert heat transfer coefficient units from Btu (th)/second/square foot/°F to Btu (th)/hour/square foot/°F to aid HVAC and building envelope assessments using imperial units.
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Btu (th)/second/square foot/%b0F to Btu (th)/hour/square foot/%b0F Conversion Table
| Btu (th)/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 (th)/second/square foot/%b0F | Btu (th)/hour/square foot/%b0F |
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What Is This Tool?
This converter changes heat transfer coefficient measurements from Btu (th) per second per square foot per degree Fahrenheit to Btu (th) per hour per square foot per degree Fahrenheit, allowing better alignment with common HVAC and building engineering standards.
How to Use This Tool?
- Enter the value in Btu (th)/second/square foot/%b0F you want to convert.
- Select the starting and target units as Btu (th)/second/square foot/%b0F and Btu (th)/hour/square foot/%b0F respectively.
- Click the convert button to get the equivalent value in Btu (th)/hour/square foot/%b0F.
Key Features
- Converts thermal energy rate per area and temperature difference from seconds to hours.
- Facilitates comparison with typical building and HVAC unit specifications.
- Browser-based and easy to use for quick heat transfer unit conversions.
Examples
- 0.5 Btu (th)/second/square foot/%b0F equals 1800 Btu (th)/hour/square foot/%b0F.
- 2 Btu (th)/second/square foot/%b0F converts to 7200 Btu (th)/hour/square foot/%b0F.
Common Use Cases
- Estimating convective or conductive heat flux in building envelopes.
- Sizing HVAC equipment and calculating heating/cooling loads.
- Assessing heat exchanger surface performance using imperial units.
- Specifying thermal transmittance (U‑values) for walls, roofs, and windows.
- Comparing insulation performance and steady-state heat loss/gain calculations.
Tips & Best Practices
- Use this conversion to represent heat transfer over a practical hourly timeframe.
- Ensure consistent use of imperial units throughout calculations to maintain accuracy.
- Apply the tool mainly for steady-state heat transfer scenarios.
Limitations
- Rounding may impact precision for very large or small values.
- Assumes steady-state heat transfer, not accounting for transient conditions.
- Requires consistent unit systems to prevent accuracy loss.
Frequently Asked Questions
- Why convert Btu per second to Btu per hour in heat transfer?
- Converting to Btu per hour provides a more practical time frame for heat transfer assessments common in HVAC and building industry standards.
- Can this conversion be used for transient heat transfer calculations?
- No, this conversion assumes steady-state heat transfer and may not be accurate for transient thermal conditions.
- In which industries is this unit conversion most commonly applied?
- It is frequently used in building engineering, HVAC design, thermal insulation evaluation, and heat exchanger performance analysis, especially where imperial units are preferred.
Key Terminology
- Heat Transfer Coefficient
- A value quantifying the rate of heat flow through a unit area per unit temperature difference.
- Btu (th)/second/square foot/%b0F
- A unit measuring thermal energy transfer rate per second, per square foot, per degree Fahrenheit.
- Btu (th)/hour/square foot/%b0F
- A unit measuring thermal energy transfer rate per hour, per square foot, per degree Fahrenheit.
- Steady-State Heat Transfer
- Heat transfer condition where temperatures and heat flow remain constant over time.