How to convert horsepower to btus per hour
To convert a measurement in horsepower to btus per hour, multiply the value by 2,544.4336. The conversion factor comes from the relationship between both units and the watt.
For example, to convert 5 hp to btus per hour: 5 × 2,544.4336 = 12,722.1679 BTU/h.
What is a horsepower?
Mechanical horsepower (hp) is a unit of power equal to about 745.7 watts, originally defined to compare engine output to the work of draft horses. James Watt coined horsepower in the 1780s to market his steam engines against the horses they replaced. Mechanical horsepower remains the dominant unit for engine power in the United States.
Common uses of horsepower include: Car and motorcycle engine ratings (US); Lawn mowers and power tools; Marine and outboard motors; Comparing engine performance.
What is a btu per hour?
A BTU per hour is a unit of power equal to about 0.293 watts, used to rate the heating and cooling capacity of HVAC equipment. Derived from the British thermal unit, BTU/h became the standard rating for air conditioners, furnaces, and heat pumps in the United States, where a '12,000 BTU' unit describes one ton of cooling.
Common uses of btus per hour include: Air conditioner cooling capacity; Furnace and heat-pump ratings; HVAC load calculations; Radiator and boiler output.
Horsepower to btus per hour worked examples
Here are some common values converted:
1 hp = 2,544.4336 BTU/h 5 hp = 12,722.1679 BTU/h 10 hp = 25,444.3358 BTU/h 50 hp = 127,221.6789 BTU/h 100 hp = 254,443.3578 BTU/h
Frequently asked questions
How many btus per hour are in one horsepower?
One horsepower (hp) equals 2,544.4336 btus per hour (BTU/h). Multiply any value in horsepower by 2,544.4336 to convert to btus per hour.
How do I convert horsepower to btus per hour?
Multiply the value in horsepower by 2,544.4336. For example, 5 hp × 2,544.4336 = 12,722.1679 BTU/h.
How do I convert btus per hour to horsepower?
Multiply the value in btus per hour by 0.000393014779, or divide by 2,544.4336. Use the swap button on the converter above to reverse the direction.
Is the horsepower to btu per hour conversion exact?
Mechanical horsepower is defined as exactly 745.7 W and metric horsepower as 735.49875 W. SI conversions are exact.
What is the formula for horsepower to btus per hour?
The formula is: BTU/h = hp × 2,544.4336. This comes from the definition of both units relative to the watt.