What does 1 Btu (IT)/hour represent?

It is the power of one International Table British thermal unit transferred per hour, commonly used to express heat transfer rates.

When should I use calorie (IT)/second instead of Btu (IT)/hour?

Use calorie (IT)/second for heat-transfer rates in laboratory calorimetry or when working with historical technical literature using calorie-based units.

Why might my conversion results vary slightly?

Variations arise from differences in unit standards, such as between International Table and thermochemical calorie definitions.

How to Convert from Btu (IT)/hour [Btu/h] to Calorie (IT)/second [cal/s]

Learn how to convert power measurements from Btu (IT)/hour to calorie (IT)/second using this easy-to-use online unit converter. Understand the conversion process and key applications in thermal engineering and HVAC.

Btu (IT)/hour [Btu/h]

Calorie (IT)/second [cal/s]

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

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

Btu (IT)/hour [Btu/h]	Calorie (IT)/second [cal/s]

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

Explore More Power Units Converter

What Is This Tool?

This online unit converter allows you to change power values from Btu (IT)/hour to calorie (IT)/second. Btu (IT)/hour expresses rates of heat transfer in British thermal units per hour, while calorie (IT)/second measures thermal power in International Table calories per second, often used in laboratory and historical contexts.

How to Use This Tool?

Enter the numerical value in Btu (IT)/hour you wish to convert
Select Btu (IT)/hour as the source unit and calorie (IT)/second as the target unit
Click the convert button to see the equivalent value in calorie (IT)/second
Review the result and use it for your thermal power applications

Key Features

Converts power units from Btu (IT)/hour to calorie (IT)/second accurately
Supports thermal power measurements commonly found in HVAC and engineering
Browser-based and easy to use without installation
Provides examples for quick understanding of conversion
Helps convert historical and laboratory heat-transfer values

Examples

Convert 10 Btu (IT)/hour: 10 × 0.0699988225 = 0.699988225 calorie (IT)/second
Convert 50 Btu (IT)/hour: 50 × 0.0699988225 = 3.499941125 calorie (IT)/second

Common Use Cases

Rating HVAC equipment and describing heating or cooling capacity
Specifying heat output for boilers, water heaters, and gas furnaces
Estimating building heat loss or gain and sizing heat exchangers
Expressing heat-transfer rates in laboratory calorimetry
Analyzing historical thermal power values in engineering

Tips & Best Practices

Ensure correct selection of source and target units before conversion
Use this conversion when dealing with International Table units specifically
Cross-check converted values when used in critical engineering calculations
Be aware of unit standard differences that may influence results
Leverage the tool for understanding heat-transfer rates in legacy data

Limitations

Conversion accuracy depends on exact definitions of involved units
Differences between International Table and thermochemical calorie can cause discrepancies
Calorie-based units are less common today compared to SI watt units

Frequently Asked Questions

What does 1 Btu (IT)/hour represent?: It is the power of one International Table British thermal unit transferred per hour, commonly used to express heat transfer rates.
When should I use calorie (IT)/second instead of Btu (IT)/hour?: Use calorie (IT)/second for heat-transfer rates in laboratory calorimetry or when working with historical technical literature using calorie-based units.
Why might my conversion results vary slightly?: Variations arise from differences in unit standards, such as between International Table and thermochemical calorie definitions.

Key Terminology

Btu (IT)/hour: A unit of power expressing the rate of heat transfer given as one International Table British thermal unit per hour.
Calorie (IT)/second: A unit of power indicating the heat energy transferred per second based on the International Table calorie.

Quick Knowledge Check

Which unit measures power as British thermal units per hour?

Calorie (IT)/second

Btu (IT)/hour

Watt

What is the conversion factor from 1 Btu (IT)/hour to calorie (IT)/second?

0.07

0.0699988225

1.055

In which context is calorie (IT)/second commonly used?

Electrical power rating

Laboratory calorimetry

Mechanical torque measurement

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