Convert horsepower (550 ft*lbf/s) to Btu (IT)/hour

Please provide values below to convert horsepower (550 ft*lbf/s) [hp] to Btu (IT)/hour [Btu/h], or Convert Btu (IT)/hour to horsepower (550 ft*lbf/s).

1 hp = 2544.43401732 Btu/h. To convert horsepower (550 ft*lbf/s) to Btu (IT)/hour, multiply the value by 2544.43401732; to go the other way, divide by it (1 Btu/h = 0.00039301471101 hp). Both units measure power and appear in everyday as well as technical calculations, so switching between them quickly is often useful.

Quick Reference

  • 1 hp = 2544.43401732 Btu/h
  • 1 Btu/h = 0.00039301471101 hp
  • 10 hp = 25444.3401732 Btu/h
  • 100 hp = 254443.401732 Btu/h

How to Convert Horsepower (550 Ft*lbf/s) to Btu (It)/hour

1 hp = 2544.43401731873 Btu/h

Example: convert 15 hp to Btu/h:
15 hp = 15 × 2544.43401731873 Btu/h = 38166.510259781 Btu/h

Horsepower (550 Ft*lbf/s) to Btu (It)/hour Conversion Table

horsepower (550 ft*lbf/s) Btu (IT)/hour
1 hp 2544.43401732 Btu/h
2 hp 5088.86803464 Btu/h
3 hp 7633.30205196 Btu/h
5 hp 12722.1700866 Btu/h
10 hp 25444.3401732 Btu/h
20 hp 50888.6803464 Btu/h
50 hp 127221.700866 Btu/h
100 hp 254443.401732 Btu/h
500 hp 1272217.00866 Btu/h
1000 hp 2544434.01732 Btu/h

Horsepower (550 Ft*lbf/s)

Horsepower (hp) is a unit of power measurement, defined as 550 foot-pounds of work per second (ft·lbf/s).

History/Origin

The horsepower was developed by James Watt in the late 18th century to compare the power of steam engines with draft horses, and it became a standard unit for measuring engine power.

Current Use

Horsepower is still widely used today to rate the power of engines and motors in automotive, aviation, and industrial applications.


Btu (It)/hour

Btu (IT)/hour (Btu/h) is a unit of power that measures the rate of energy transfer, specifically the amount of British thermal units (IT) transferred per hour.

History/Origin

The Btu (IT) originated from the British thermal unit used in the United States and was standardized for industrial and engineering purposes. The per-hour notation became common in applications requiring power measurement, especially in heating and cooling systems.

Current Use

Btu/h is widely used in heating, ventilation, and air conditioning (HVAC) industries to specify the capacity of heating and cooling equipment, as well as in energy analysis and thermodynamics.

Frequently Asked Questions

What is 1 horsepower (550 ft*lbf/s) in Btu (IT)/hour?

1 horsepower (550 ft*lbf/s) (hp) = 2544.43401732 Btu (IT)/hour (Btu/h).

How do you convert horsepower (550 ft*lbf/s) to Btu (IT)/hour?

Multiply the horsepower (550 ft*lbf/s) value by 2544.43401732. For example, 25 hp × 2544.43401732 = 63610.850433 Btu/h.

What is 10 horsepower (550 ft*lbf/s) in Btu (IT)/hour?

10 hp = 25444.3401732 Btu/h.

Which unit is larger, the horsepower (550 ft*lbf/s) or the Btu (IT)/hour?

The horsepower (550 ft*lbf/s) is the larger unit: 1 hp = 2544.43401732 Btu/h.

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