What is a calorie (th)/second?

A calorie (th)/second is a power unit equal to the transfer of one thermochemical calorie of energy per second, where each calorie is exactly 4.184 joules.

How does calorie (th)/second relate to watts?

One calorie (th)/second is exactly equal to 4.184 watts, since the thermochemical calorie is defined as 4.184 joules.

Why convert calorie (th)/second to joule/second [J/s]?

This conversion updates legacy thermal power data into SI units, enabling consistent power reporting and compatibility with modern electrical and mechanical power measurements.

How to Convert from Calorie (th)/second to Joule/second [J/s]

Learn how to convert power units from calorie (th)/second to joule/second [J/s] using this straightforward unit converter designed for thermal and mechanical power applications.

Calorie (th)/second

Joule/second [J/s]

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

Calorie (th)/second to Joule/second [J/s] Conversion Table

Calorie (th)/second	Joule/second [J/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.

Calorie (th)/second to Joule/second [J/s] Conversion Table
Calorie (th)/second	Joule/second [J/s]

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What Is This Tool?

This tool converts power values from calorie (th)/second, a unit used to express thermal power in terms of thermochemical calories per second, into joule/second [J/s], the SI derived unit of power equivalent to watts, facilitating modern and standardized measurements.

How to Use This Tool?

Enter the power value in calorie (th)/second that you want to convert
Select calorie (th)/second as the input unit and joule/second [J/s] as the target unit
Click on the convert button to get the equivalent value in joule/second [J/s]
Use the result for standardized reporting or further power calculations

Key Features

Converts thermal power from calorie (th)/second to joule/second [J/s]
Based on the exact definition that 1 calorie (th)/second equals 4.184 watts
Ideal for laboratory calorimetry, HVAC design, and legacy data conversion
Browser-based and easy to use without installation
Helps translate older engineering data into modern SI power units

Examples

2 calorie (th)/second converts to 8.368 joule/second [J/s]
0.5 calorie (th)/second converts to 2.092 joule/second [J/s]

Common Use Cases

Reporting heat flow rates in laboratory calorimetry experiments
Converting legacy thermal power data into SI units for HVAC systems
Specifying small heating element or burner power using modern measurements
Analyzing mechanical and electrical power requiring SI consistent units
Translating older engineering literature power units to joule/second [J/s]

Tips & Best Practices

Ensure you understand that 1 calorie (th)/second = 4.184 watts exactly
Confirm the calorie refers to the thermochemical calorie definition for accuracy
Use this tool to standardize units when combining legacy and modern power data
Consider system heat losses separately, as this tool converts ideal power units only

Limitations

Calorie (th)/second is a deprecated unit replaced mostly by SI units
Accuracy depends on using the thermochemical calorie definition of 4.184 J
Does not account for system inefficiencies or real-world heat losses
Alternative calorie definitions may cause conversion discrepancies

Frequently Asked Questions

What is a calorie (th)/second?: A calorie (th)/second is a power unit equal to the transfer of one thermochemical calorie of energy per second, where each calorie is exactly 4.184 joules.
How does calorie (th)/second relate to watts?: One calorie (th)/second is exactly equal to 4.184 watts, since the thermochemical calorie is defined as 4.184 joules.
Why convert calorie (th)/second to joule/second [J/s]?: This conversion updates legacy thermal power data into SI units, enabling consistent power reporting and compatibility with modern electrical and mechanical power measurements.

Key Terminology

Calorie (th)/second: A unit of power representing one thermochemical calorie of energy transferred per second; exactly 4.184 watts.
Joule/second [J/s]: The SI derived unit of power that measures energy transfer per second; equivalent to one watt.
Thermochemical calorie: A calorie defined as exactly 4.184 joules, used for precise thermal energy measurement.

Quick Knowledge Check

What does 1 calorie (th)/second equal in joule/second [J/s]?

1 J/s

4.184 J/s

3.1416 J/s

Which unit is the SI derived unit of power?

calorie (th)/second

joule/second [J/s]

BTU/hour

In what context is calorie (th)/second primarily used?

Laboratory calorimetry

Modern electrical power rating

Automotive engine tuning

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