Horsepower hour to Kilowatt-hour Conversion
Convert between Horsepower hour and Kilowatt-hour quickly and accurately.
How to Convert Horsepower hour to Kilowatt-hour
Conversion Formula
Example
Convert 15 hp⋅h to kW⋅h:
Unit Information
Learn about the energy units you're converting between
Horsepower hour
hp⋅h
Definition
A horsepower-hour (symbol: hp⋅h) is a unit of energy equal to the amount of work done by a one-horsepower engine running for one hour. It equals approximately 2.68 million joules and is used for measuring large amounts of mechanical energy.
History/Origin
The horsepower-hour was developed in the 19th century alongside the horsepower unit for measuring the energy output of steam engines and later internal combustion engines. It became important in industrial and automotive applications.
Current Use
Horsepower-hours are used in automotive industry for measuring engine energy output, in industrial applications for machinery energy consumption, in agricultural equipment for work calculations, and in mechanical engineering for energy planning.
Multiplier
2684519.537
Offset
0
Kilowatt-hour
kW⋅h
Definition
A kilowatt-hour (symbol: kWh) is a unit of energy equal to the amount of energy consumed by a 1-kilowatt device running for one hour. It equals 3.6 million joules and is the standard unit for electrical energy billing.
History/Origin
The kilowatt-hour was developed in the late 19th century with the widespread adoption of electrical power systems. It became the standard unit for electrical energy billing and remains the primary unit for electricity consumption worldwide.
Current Use
Kilowatt-hours are used exclusively for electrical energy billing, measuring household and industrial electricity consumption, calculating energy costs, monitoring electrical device efficiency, and renewable energy production tracking.
Multiplier
3600000
Offset
0
Horsepower hour to Kilowatt-hour Conversion Table
| Horsepower hour [hp⋅h] | Kilowatt-hour [kW⋅h] |
|---|---|
| 1 hp⋅h | 0.7457 kW⋅h |
| 10 hp⋅h | 7.456999 kW⋅h |
| 25 hp⋅h | 18.642497 kW⋅h |
| 50 hp⋅h | 37.284994 kW⋅h |
| 100 hp⋅h | 74.569987 kW⋅h |
| 0 hp⋅h | 0E+0 kW⋅h |
| -10 hp⋅h | -7.456999 kW⋅h |
| -40 hp⋅h | -29.827995 kW⋅h |
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