Energy Converter
Convert between joules, calories, kilowatt-hours, BTU, and more.
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Result
1 J = 0.001 kJ
Popular Conversions
All Conversions from 1 J
| Unit | Value |
|---|---|
| Kilojoule (kJ) | 0.001 |
| Calorie (cal) | 0.2390057361 |
| Kilocalorie (kcal) | 0.0002390057361 |
| Watt-hour (Wh) | 0.0002777777778 |
| Kilowatt-hour (kWh) | 2.777778e-7 |
| BTU | 0.0009478133945 |
Frequently Asked Questions
How many joules in a calorie?
1 calorie = 4.184 joules. 1 kilocalorie (food calorie) = 4,184 joules.
How many joules in a kWh?
1 kWh = 3,600,000 joules (3.6 MJ).
How many joules in a BTU?
1 BTU = 1055.06 joules.
What is the difference between cal and kcal?
In nutrition, "Calorie" (capital C) = kilocalorie = 1000 cal. 1 food Calorie = 4184 J.
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- 1Enter your input values, numbers, or dates into the fields above.
- 2Adjust calculation parameters, units, or values to fit your specific needs.
- 3View the calculated result instantly. Many of our tools provide complete breakdowns, tables, or interactive details below.
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