Horsepower hour to Calorie (nutritional) Conversion
Convert between Horsepower hour and Calorie (nutritional) quickly and accurately.
How to Convert Horsepower hour to Calorie (nutritional)
Conversion Formula
Example
Convert 15 hp⋅h to cal:
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
Calorie (nutritional)
cal
Definition
A nutritional calorie (symbol: cal) is a unit of energy used in nutrition, equal to 4,186.8 joules. It represents the amount of energy needed to raise the temperature of one kilogram of water by one degree Celsius.
History/Origin
The calorie was originally defined in the 19th century for measuring heat energy. The nutritional calorie became standardized for food labeling and remains widely used in the United States for dietary energy measurements.
Current Use
Nutritional calories are used in food labeling in the United States, dietary planning and nutrition counseling, exercise and fitness tracking, weight management programs, and metabolic research in health and medicine.
Multiplier
4186.8
Offset
0
Horsepower hour to Calorie (nutritional) Conversion Table
| Horsepower hour [hp⋅h] | Calorie (nutritional) [cal] |
|---|---|
| 1 hp⋅h | 641.186476 cal |
| 10 hp⋅h | 6411.864758 cal |
| 25 hp⋅h | 16029.661895 cal |
| 50 hp⋅h | 32059.32379 cal |
| 100 hp⋅h | 64118.64758 cal |
| 0 hp⋅h | 0E+0 cal |
| -10 hp⋅h | -6411.864758 cal |
| -40 hp⋅h | -25647.459032 cal |
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