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

It is an imperial power unit equal to 550 foot-pound-force per second, measuring the rate of doing work or transferring energy.

When should I use pound-foot per hour [lbf*ft/h] units?

This unit is best for expressing very low continuous mechanical power outputs, such as in clock or gear-train mechanisms.

Is this converter suitable for fluctuating power loads?

No, the conversion assumes steady power output and may not accurately represent dynamic load conditions.

How to Convert Horsepower (550 ftlbf/s) to Pound-foot/hour [lbfft/h]

Learn how to convert mechanical power from horsepower (550 ft*lbf/s) to pound-foot per hour [lbf*ft/h], including key features, usage examples, and common applications.

Horsepower (550 ft*lbf/s)

Pound-foot/hour [lbf*ft/h]

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

Horsepower (550 ftlbf/s) to Pound-foot/hour [lbfft/h] Conversion Table

Horsepower (550 ft*lbf/s)	Pound-foot/hour [lbf*ft/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.

Horsepower (550 ft*lbf/s) to Pound-foot/hour [lbf*ft/h] Conversion Table
Horsepower (550 ft*lbf/s)	Pound-foot/hour [lbf*ft/h]

Explore More Power Units Converter

What Is This Tool?

This converter transforms power values from horsepower (550 ft*lbf/s), an imperial unit representing mechanical work rate, into pound-foot per hour [lbf*ft/h], a unit expressing very low continuous mechanical power output in imperial terms.

How to Use This Tool?

Enter the value in horsepower (550 ft*lbf/s) you want to convert.
Select 'horsepower (550 ft*lbf/s)' as the input unit.
Choose 'pound-foot/hour [lbf*ft/h]' as the output unit.
Click the convert button to get the equivalent value.

Key Features

Converts mechanical power between horsepower (550 ft*lbf/s) and pound-foot/hour units accurately.
Supports imperial unit measurements commonly used in vintage and legacy machinery contexts.
Browser-based and easy to use with quick results.

Examples

2 horsepower (550 ft*lbf/s) converts to 3,960,000 pound-foot/hour [lbf*ft/h].
0.5 horsepower (550 ft*lbf/s) converts to 990,000 pound-foot/hour [lbf*ft/h].

Common Use Cases

Rating small engines such as lawnmowers and portable generators within the imperial system.
Documenting mechanical power output of vintage or historical equipment using foot-pound units.
Estimating power rates of slow-moving mechanisms like hand cranks or clock gears.

Tips & Best Practices

Use this tool to express very low mechanical power outputs where pound-foot/hour units are more practical.
Ensure the power output is steady before converting, as fluctuations can affect accuracy.
Double-check conversions when working with high power values due to the scale differences.

Limitations

Pound-foot/hour is appropriate for low power levels but unsuitable for high-power conversions.
The conversion assumes a constant power output without dynamic load variations.
Large differences in unit scale require caution to avoid numerical conversion mistakes.

Frequently Asked Questions

What does one horsepower (550 ft*lbf/s) represent?: It is an imperial power unit equal to 550 foot-pound-force per second, measuring the rate of doing work or transferring energy.
When should I use pound-foot per hour [lbf*ft/h] units?: This unit is best for expressing very low continuous mechanical power outputs, such as in clock or gear-train mechanisms.
Is this converter suitable for fluctuating power loads?: No, the conversion assumes steady power output and may not accurately represent dynamic load conditions.

Key Terminology

Horsepower (550 ft*lbf/s): An imperial power unit equal to 550 foot-pound-force per second, commonly used for rating engines and small machinery.
Pound-foot/hour [lbf*ft/h]: An imperial unit of power indicating mechanical work of one foot-pound per hour, typically used for very low power measurements in legacy systems.

Quick Knowledge Check

What is the conversion rate from horsepower (550 ft*lbf/s) to pound-foot/hour?

1 horsepower equals 1,980,000 pound-foot/hour

For what kind of mechanical outputs is pound-foot per hour [lbf*ft/h] best used?

Very high mechanical outputs

Very low continuous mechanical outputs

Electrical power measurement

Which of the following is a limitation when converting between these units?

The units are only used in the metric system

Assumes steady power output without fluctuations

Suitable for very high power magnitudes only

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How to Convert Horsepower (550 ft*lbf/s) to Pound-foot/hour [lbf*ft/h]

Horsepower (550 ft*lbf/s) to Pound-foot/hour [lbf*ft/h] Conversion Table