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Convert Horsepower (metric) to Btu (IT)/hour

Please provide values below to convert horsepower (metric) to Btu (IT)/hour [Btu/h], or vice versa.

From: horsepower (metric)
To: Btu (IT)/hour
     

Horsepower (metric)

Definition: The unit horsepower (symbol: hp) is a unit of measurement of power (the rate at which work is done). Mechanical horsepower, also known as imperial horsepower, is defined as approximately 745.7 watts (550 ft·lbf/s), while metric horsepower is approximately 735.5 watts (75 kgf·m/s). Boiler horsepower, albeit a less common measurement than either imperial or metric horsepower, is used for rating steam boilers, and is equivalent to 34.5 pounds of water evaporated per hour at 212 degrees Fahrenheit, or 9809.5 watts. In addition, when rating electric motors, one horsepower is equal to 746 watts.

History/origin: The term horsepower was adopted in the late 18th century by James Watt to compare the output of steam engines with the power of draft horses. Watt was not the first person to compare the output of horses to that of engines. As early as 1702, Thomas Savery referenced horses when describing the output of an engine. It is believed that Watt built on this idea and introduced the term horsepower, largely in an effort to market his steam engine. The term was later expanded to include other types of output power such as the imperial and metric horsepower measurements commonly used today.

British thermal unit per hour

Definition: The British thermal unit per hour (symbol: Btu/h) is a United States customary system unit of power. This unit is often abbreviated as simply "Btu," which is the same abbreviation used for British thermal units, a measurement of heat. One watt, the International System of Units derived unit of power, is equal to approximately 3.41214 Btu/h.

History/origin: The British thermal unit per hour is based on the British thermal unit (symbol: Btu or BTU), a traditional United States customary unit of heat, where heat is a type of energy transfer in which energy moves from a hotter to a colder substance. The BTU is specifically defined as the amount of heat required to increase the temperature of one pound of water by one °F. It has a number of different definitions all of which equate to approximately 1,055 joules.

Current use: The British thermal unit per hour is not a widely used unit. Multiples of the watt hour, often the kilowatt hour, are more frequently used than Btu/h, even in the United States.



Horsepower (metric) to Btu (IT)/hour Conversion Table

Horsepower (metric)Btu (IT)/hour [Btu/h]
0.01 horsepower (metric)25.0962590599 Btu/h
0.1 horsepower (metric)250.9625905989 Btu/h
1 horsepower (metric)2509.6259059886 Btu/h
2 horsepower (metric)5019.2518119771 Btu/h
3 horsepower (metric)7528.8777179657 Btu/h
5 horsepower (metric)12548.129529943 Btu/h
10 horsepower (metric)25096.259059886 Btu/h
20 horsepower (metric)50192.518119771 Btu/h
50 horsepower (metric)125481.29529943 Btu/h
100 horsepower (metric)250962.59059886 Btu/h
1000 horsepower (metric)2509625.9059886 Btu/h


How to Convert Horsepower (metric) to Btu (IT)/hour

1 horsepower (metric) = 2509.6259059886 Btu/h
1 Btu/h = 0.0003984658 horsepower (metric)

Example: convert 15 horsepower (metric) to Btu/h:
15 horsepower (metric) = 15 × 2509.6259059886 Btu/h = 37644.388589829 Btu/h



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