What does calorie (th)/second measure?

It measures thermal power as the amount of energy transferred per second based on the thermochemical calorie defined as exactly 4.184 joules.

What is horsepower (550 ft*lbf/s)?

It is an imperial unit measuring mechanical power equal to 550 foot-pound-force per second, originally defined by James Watt.

Why convert from calorie (th)/second to horsepower?

To translate thermal power measurements into a mechanical power unit widely used for rating engines, motors, and related equipment.

Can I use this conversion for comparing engine efficiencies?

This tool converts units but understanding efficiency requires additional context beyond raw power numbers.

Is this conversion common in industry?

Yes, especially in mechanical engineering, automotive fields, HVAC, and process engineering where both thermal and mechanical units appear.

How to Convert from Calorie (th)/second to Horsepower (550 ft*lbf/s)?

Convert power measurements from calorie (th)/second to horsepower (550 ft*lbf/s) using a simple, accurate online unit converter designed for thermal and mechanical power units.

Calorie (th)/second

Horsepower (550 ft*lbf/s)

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

Calorie (th)/second to Horsepower (550 ft*lbf/s) Conversion Table

Calorie (th)/second	Horsepower (550 ft*lbf/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 Horsepower (550 ft*lbf/s) Conversion Table
Calorie (th)/second	Horsepower (550 ft*lbf/s)

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What Is This Tool?

This converter allows users to change power values from calorie (th)/second, a thermal energy transfer unit, into horsepower (550 ft*lbf/s), a mechanical power unit commonly used to rate engines and motors.

How to Use This Tool?

Enter the power value in calorie (th)/second you wish to convert.
Select 'calorie (th)/second' as the input unit and 'horsepower (550 ft*lbf/s)' as the output unit.
Click the convert button to get the equivalent horsepower value.
Review the converted value which reflects mechanical power ratings.

Key Features

Accurately converts thermal power in calories per second to mechanical horsepower.
Easy-to-use interface with straightforward input and selection.
Useful for engineering fields including mechanical, automotive, HVAC, and process industries.
Supports legacy thermal power data conversion to widely recognized mechanical units.
Browser-based tool requiring no installation.

Examples

10 calorie (th)/second converts to 0.056108364 horsepower (550 ft*lbf/s).
100 calorie (th)/second converts to 0.56108364 horsepower (550 ft*lbf/s).

Common Use Cases

Translating thermal power measurements from laboratory calorimetry into mechanical power units.
Converting older engineering literature data on heating-element power into horsepower.
Specifying small engine and motor power for automotive and garden equipment applications.
Comparing and sizing pumps, compressors, and motors with imperial power units.
Converting legacy thermal power data for HVAC or process engineering calculations.

Tips & Best Practices

Always confirm whether your power measurement relates to thermal or mechanical systems before converting.
Use the tool to convert legacy calorie-based thermal measurements into standard mechanical units for clearer communication.
Check converted values against application requirements to ensure suitable power specifications.
Understand that horsepower represents mechanical work rate, distinct from thermal power concepts.

Limitations

Calorie (th)/second reflects thermal power and may not represent actual mechanical power efficiency directly.
Horsepower values provided may be rounded for practical usage, which can introduce slight deviations.
Conversions are not interchangeable without context regarding the nature of the power (thermal vs. mechanical).

Frequently Asked Questions

What does calorie (th)/second measure?: It measures thermal power as the amount of energy transferred per second based on the thermochemical calorie defined as exactly 4.184 joules.
What is horsepower (550 ft*lbf/s)?: It is an imperial unit measuring mechanical power equal to 550 foot-pound-force per second, originally defined by James Watt.
Why convert from calorie (th)/second to horsepower?: To translate thermal power measurements into a mechanical power unit widely used for rating engines, motors, and related equipment.
Can I use this conversion for comparing engine efficiencies?: This tool converts units but understanding efficiency requires additional context beyond raw power numbers.
Is this conversion common in industry?: Yes, especially in mechanical engineering, automotive fields, HVAC, and process engineering where both thermal and mechanical units appear.

Key Terminology

Calorie (th)/second: A unit of power representing thermal energy transfer at a rate of one thermochemical calorie per second, with one calorie (th) exactly 4.184 joules.
Horsepower (550 ft*lbf/s): An imperial mechanical power unit defined as 550 foot-pound-force per second, roughly equal to 745.7 watts.
Thermochemical Calorie: A calorie unit defined precisely as 4.184 joules used in thermal power calculations.

Quick Knowledge Check

What does 1 calorie (th)/second equal in watts?

Exactly 3.5 watts

Exactly 4.184 watts

Exactly 5.6 watts

Horsepower (550 ft*lbf/s) is defined as power equal to:

550 foot-pounds per second

550 newton-meters per second

550 calories per second

Which is a common use case for converting calorie (th)/second to horsepower?

Specifying radiative heat flow

Rating motors and small engines

Measuring electrical power consumption

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