What is the difference between horsepower [hp, hp (UK)] and horsepower (550 ft*lbf/s)?

Both units represent mechanical horsepower and share a 1:1 conversion rate, but their naming and contexts occasionally differ, which can cause specification confusion.

Can this converter convert metric horsepower?

No, this tool strictly converts between the mechanical horsepower [hp, hp (UK)] and horsepower (550 ft*lbf/s). Metric horsepower conversions are not supported.

Where is this conversion commonly used?

It is commonly applied in automotive, motorcycle, marine engine ratings, as well as specifying power for small engines, pumps, compressors, and industrial machinery within imperial unit systems.

How to Convert from Horsepower [hp, hp (UK)] to Horsepower (550 ft*lbf/s)?

Learn how to convert horsepower [hp, hp (UK)] to horsepower (550 ft*lbf/s) accurately for consistent power measurements in engines and machinery.

Horsepower [hp, hp (UK)]

Horsepower (550 ft*lbf/s)

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

Horsepower [hp, hp (UK)] to Horsepower (550 ft*lbf/s) Conversion Table

Horsepower [hp, hp (UK)]	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.

Horsepower [hp, hp (UK)] to Horsepower (550 ft*lbf/s) Conversion Table
Horsepower [hp, hp (UK)]	Horsepower (550 ft*lbf/s)

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What Is This Tool?

This unit converter helps you transform power values from horsepower [hp, hp (UK)] to horsepower (550 ft*lbf/s), aligning different mechanical horsepower standards to ensure accurate comparisons.

How to Use This Tool?

Enter the power value in horsepower [hp, hp (UK)].
Select the input unit as horsepower [hp, hp (UK)].
Choose the output unit horsepower (550 ft*lbf/s).
Click convert to get the equivalent value instantly.

Key Features

Converts between common mechanical horsepower units within imperial measurement.
Straightforward 1:1 conversion for horsepower [hp, hp (UK)] to horsepower (550 ft*lbf/s).
Supports power rating comparisons for engines, motors, and industrial machinery.
Ideal for automotive, motorcycle, marine, and small engine power specifications.

Examples

5 horsepower [hp, hp (UK)] equals 5 horsepower (550 ft*lbf/s).
10 horsepower [hp, hp (UK)] equals 10 horsepower (550 ft*lbf/s).

Common Use Cases

Rating engine power for cars, motorcycles, and marine vessels.
Specifying power output for small engines like lawnmowers and portable generators.
Sizing and comparing pumps, compressors, and motors using imperial measurements.

Tips & Best Practices

Ensure you choose the correct horsepower variant before conversion to avoid confusion.
Use this conversion to standardize power ratings when comparing mechanical horsepower figures.
Be mindful that this tool does not convert other horsepower types such as metric horsepower.

Limitations

Only converts between mechanical horsepower [hp, hp (UK)] and horsepower (550 ft*lbf/s).
Does not accommodate other horsepower variants like metric horsepower which differ slightly.
Minor discrepancies may occur if horsepower variants are mismatched.

Frequently Asked Questions

What is the difference between horsepower [hp, hp (UK)] and horsepower (550 ft*lbf/s)?: Both units represent mechanical horsepower and share a 1:1 conversion rate, but their naming and contexts occasionally differ, which can cause specification confusion.
Can this converter convert metric horsepower?: No, this tool strictly converts between the mechanical horsepower [hp, hp (UK)] and horsepower (550 ft*lbf/s). Metric horsepower conversions are not supported.
Where is this conversion commonly used?: It is commonly applied in automotive, motorcycle, marine engine ratings, as well as specifying power for small engines, pumps, compressors, and industrial machinery within imperial unit systems.

Key Terminology

Horsepower [hp, hp (UK)]: A mechanical/imperial unit of power defined as 550 foot-pounds per second, commonly used to rate engines and machinery.
Horsepower (550 ft*lbf/s): An imperial power unit equal to 550 foot-pound-force per second, essentially the mechanical horsepower defined by James Watt.
Mechanical Horsepower: A power measurement unit expressing the rate of doing work, often standardized as 550 foot-pounds per second in imperial systems.

Quick Knowledge Check

What is the conversion rate between horsepower [hp, hp (UK)] and horsepower (550 ft*lbf/s)?

1 horsepower [hp, hp (UK)] equals 0.9 horsepower (550 ft*lbf/s)

1 horsepower [hp, hp (UK)] equals 1 horsepower (550 ft*lbf/s)

1 horsepower [hp, hp (UK)] equals 1.1 horsepower (550 ft*lbf/s)

Which of the following is NOT a typical use case for this converter?

Rating car and motorcycle engine power

Converting metric horsepower to mechanical horsepower

Specifying power for lawnmowers and small engines

Why should users be cautious when converting horsepower variants?

Different variants can lead to minor errors if mismatched

All horsepower variants are exactly the same

Conversion rates vary daily

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