What does Btu (th)/second measure?

It measures the rate of heat transfer using the thermochemical British thermal unit delivered per second, commonly used in heating and cooling systems.

Why convert to Btu (IT)/hour?

Because Btu (IT)/hour expresses heat transfer rate per hour using the International Table BTU, which is standard for rating HVAC equipment and boilers.

Does this conversion handle transient heat transfer?

No, the conversion assumes steady-state conditions and may not suit highly variable or transient scenarios.

Convert Btu (th)/second to Btu (IT)/hour: Step-by-Step Guide

Learn how to convert power units from Btu (th)/second to Btu (IT)/hour with this easy-to-use online converter. Ideal for HVAC and thermal system applications.

Btu (th)/second [Btu (th)/s]

Btu (IT)/hour [Btu/h]

Please check your input. It must be a valid numeric value.

Btu (th)/second [Btu (th)/s] to Btu (IT)/hour [Btu/h] Conversion Table

Btu (th)/second [Btu (th)/s]	Btu (IT)/hour [Btu/h]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Btu (th)/second [Btu (th)/s] to Btu (IT)/hour [Btu/h] Conversion Table
Btu (th)/second [Btu (th)/s]	Btu (IT)/hour [Btu/h]

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What Is This Tool?

This converter tool allows you to transform power measurements from Btu (th)/second, a thermochemical British thermal unit per second, into Btu (IT)/hour, an International Table British thermal unit per hour. It is designed for professionals working with thermal energy transfer rates in HVAC, boiler, and energy systems.

How to Use This Tool?

Enter the value in Btu (th)/second that you want to convert
Select Btu (th)/second as the input unit and Btu (IT)/hour as the output unit
Click the convert button to see the equivalent power in Btu (IT)/hour
Use the converted value to assist in HVAC or thermal system calculations

Key Features

Converts between thermochemical Btu per second and International Table Btu per hour units
Supports power measurement for heating, cooling, and thermal energy analysis
Includes clear conversion formulas and examples for accuracy
Helps in rating HVAC equipment and specifying boiler outputs
Accessible online with a user-friendly interface

Examples

2 Btu (th)/second equals 7195.1830616 Btu (IT)/hour
0.5 Btu (th)/second equals 1798.7957654 Btu (IT)/hour

Common Use Cases

Rating the capacity of HVAC systems such as furnaces and air conditioners
Specifying output for boilers, heat exchangers, and water heaters
Assessing building heat loss or gain for heating system design
Conducting energy system performance tests and simulations
Converting thermal energy transfer rates to align with hourly measurement standards

Tips & Best Practices

Ensure consistent unit definitions when performing conversions
Use this tool for steady-state heat transfer situations
Double-check input values to avoid errors in heat power assessment
Apply converted values carefully in HVAC design and energy calculations
Be aware that slight differences exist between thermochemical and International Table BTU definitions

Limitations

Small discrepancies can occur due to different BTU definitions (thermochemical vs International Table)
Assumes steady-state heat transfer; may not be accurate for transient or highly variable conditions
Does not account for other unit types beyond Btu (th)/second and Btu (IT)/hour

Frequently Asked Questions

What does Btu (th)/second measure?: It measures the rate of heat transfer using the thermochemical British thermal unit delivered per second, commonly used in heating and cooling systems.
Why convert to Btu (IT)/hour?: Because Btu (IT)/hour expresses heat transfer rate per hour using the International Table BTU, which is standard for rating HVAC equipment and boilers.
Does this conversion handle transient heat transfer?: No, the conversion assumes steady-state conditions and may not suit highly variable or transient scenarios.

Key Terminology

Btu (th)/second: A power unit measuring heat transfer at one thermochemical British thermal unit per second.
Btu (IT)/hour: A power unit describing heat transfer rate using one International Table British thermal unit per hour.
Heat Transfer Rate: The measure of thermal energy flow over time, important for HVAC and energy systems.

Quick Knowledge Check

What unit does Btu (th)/second represent?

Thermochemical British thermal unit per hour

Thermochemical British thermal unit per second

International Table British thermal unit per hour

In what industry is the conversion from Btu (th)/second to Btu (IT)/hour commonly used?

Pharmaceutical manufacturing

HVAC system design

Automotive painting

Which condition is assumed during this unit conversion?

Transient heat transfer

Steady-state heat transfer

Variable heat transfer

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