Calorie (nutritional) to Kilowatt-hour Conversion
Convert between Calorie (nutritional) and Kilowatt-hour quickly and accurately.
How to Convert Calorie (nutritional) to Kilowatt-hour
Conversion Formula
Example
Convert 15 cal to kW⋅h:
Unit Information
Learn about the energy units you're converting between
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
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
Calorie (nutritional) to Kilowatt-hour Conversion Table
| Calorie (nutritional) [cal] | Kilowatt-hour [kW⋅h] |
|---|---|
| 1 cal | 0.001163 kW⋅h |
| 10 cal | 0.01163 kW⋅h |
| 25 cal | 0.029075 kW⋅h |
| 50 cal | 0.05815 kW⋅h |
| 100 cal | 0.1163 kW⋅h |
| 0 cal | 0E+0 kW⋅h |
| -10 cal | -0.01163 kW⋅h |
| -40 cal | -0.04652 kW⋅h |
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