What does 1 horsepower (550 ft*lbf/s) represent?

It is an imperial power unit defined as 550 foot‑pound‑force per second, commonly used to rate engines.

Why convert horsepower to kilocalorie (IT)/hour?

To compare mechanical power with thermal energy transfer rates, useful in HVAC, cooking, and human metabolism studies.

Is this conversion exact for all applications?

No, it approximates power equivalencies and rounding may affect precision in some scientific or engineering uses.

How to Convert from Horsepower (550 ft*lbf/s) to Kilocalorie (IT)/hour [kcal/h]

Learn how to convert power measurements from horsepower (550 ft*lbf/s) to kilocalorie (IT)/hour [kcal/h] using an easy-to-use, browser-based unit converter tool. Ideal for automotive, HVAC, and metabolic energy applications.

Horsepower (550 ft*lbf/s)

Kilocalorie (IT)/hour [kcal/h]

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Horsepower (550 ft*lbf/s) to Kilocalorie (IT)/hour [kcal/h] Conversion Table

Horsepower (550 ft*lbf/s)	Kilocalorie (IT)/hour [kcal/h]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

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End Value

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Horsepower (550 ft*lbf/s) to Kilocalorie (IT)/hour [kcal/h] Conversion Table
Horsepower (550 ft*lbf/s)	Kilocalorie (IT)/hour [kcal/h]

Explore More Power Units Converter

What Is This Tool?

This converter helps you translate power values from horsepower (550 ft*lbf/s), an imperial unit commonly used for engine power, into kilocalorie (IT)/hour, a unit often applied in heating, cooling, and metabolic energy measurements.

How to Use This Tool?

Enter the value in horsepower (550 ft*lbf/s) you want to convert
Select kilocalorie (IT)/hour [kcal/h] as the target unit
Click the convert button to get the equivalent power value
Review the result reflecting the rate of energy transfer in kilocalorie/hour terms

Key Features

Convert between mechanical horsepower and thermal power units easily
Based on the precise conversion rate: 1 horsepower (550 ft*lbf/s) equals 641.186476 kilocalorie (IT)/hour
Supports power rating comparisons across automotive, HVAC, and metabolic domains
Web-based and user-friendly for quick conversions

Examples

2 horsepower (550 ft*lbf/s) converts to approximately 1282.37 kcal/h
0.5 horsepower (550 ft*lbf/s) converts to about 320.59 kcal/h

Common Use Cases

Rating power output of small engines and garden equipment in imperial units
Comparing mechanical power with heating or metabolic energy rates
Specifying capacity for small heaters, boilers, and radiators in HVAC systems
Expressing human metabolic heat production or energy expenditure

Tips & Best Practices

Understand the contexts where imperial and metric power units apply to choose the right conversion
Use this tool to compare mechanical engine ratings with thermal or metabolic power requirements
Consider unit system differences when interpreting results
Use the tool for quick conversions without manually handling complex formulas

Limitations

This conversion involves units from different measurement systems, so caution is needed
Kilocalorie (IT)/hour reflects thermal energy transfer and is less typical in mechanical power evaluations
Conversion factors are rounded and may introduce slight inaccuracies in highly precise calculations

Frequently Asked Questions

What does 1 horsepower (550 ft*lbf/s) represent?: It is an imperial power unit defined as 550 foot‑pound‑force per second, commonly used to rate engines.
Why convert horsepower to kilocalorie (IT)/hour?: To compare mechanical power with thermal energy transfer rates, useful in HVAC, cooking, and human metabolism studies.
Is this conversion exact for all applications?: No, it approximates power equivalencies and rounding may affect precision in some scientific or engineering uses.

Key Terminology

Horsepower (550 ft*lbf/s): An imperial mechanical power unit equal to 550 foot-pound force per second, used especially for engine power ratings.
Kilocalorie (IT)/hour [kcal/h]: A unit of power measuring energy transfer at the rate of one International-Table kilocalorie per hour, often used in thermal contexts.
Power: The rate at which work is done or energy is transferred, measured in various units such as horsepower or kilocalorie per hour.

Quick Knowledge Check

What is the power rating equivalent of 1 horsepower (550 ft*lbf/s) in kilocalorie (IT)/hour?

745.7 kcal/h

641.186476 kcal/h

550 kcal/h

In which field is horsepower (550 ft*lbf/s) commonly used?

Heating system ratings

Engine power measurement

Human metabolic rate

One kilocalorie (IT)/hour approximately equals how many watts?

1.163 W

550 W

745.7 W

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