Joules to Kilocalories Converter
EngineeringJoules, calories, kilowatt-hours and more.
How to convert Joules to Kilocalories
Multiply the joules value by 0.000239006: 1 J = 0.000239006 kcal. Going the other way, 1 kcal = 4,184 J, so divide by 0.000239006 or use the Kilocalories to Joules converter.
About these units
Joules (J)
The joule is the SI unit of energy: the work done by a force of one newton over one meter. Lifting a small apple one meter takes about one joule.
Kilocalories (kcal)
A kilocalorie is 1,000 calories, or 4,184 joules. It is the Calorie written with a capital C on food labels and in diet guidance.
Joules to Kilocalories conversion table
| Joules (J) | Kilocalories (kcal) |
|---|---|
| 1 J | 0.000239006 kcal |
| 2 J | 0.000478011 kcal |
| 3 J | 0.000717017 kcal |
| 4 J | 0.000956023 kcal |
| 5 J | 0.00119503 kcal |
| 10 J | 0.00239006 kcal |
| 20 J | 0.00478011 kcal |
| 25 J | 0.00597514 kcal |
| 50 J | 0.0119503 kcal |
| 100 J | 0.0239006 kcal |
| 500 J | 0.119503 kcal |
| 1,000 J | 0.239006 kcal |
More joules conversions
- Joules to Kilojoules1 J = 0.001 kJ
- Joules to Megajoules1 J = 1e-6 MJ
- Joules to Gigajoules1 J = 1e-9 GJ
- Joules to Millijoules1 J = 1,000 mJ
- Joules to Microjoules1 J = 1e+6 µJ
- Joules to Nanojoules1 J = 1e+9 nJ
- Joules to Calories1 J = 0.239006 cal
- Joules to Watt Hours1 J = 0.000277778 Wh
- Joules to British Thermal Units1 J = 0.000947813 BTU
- Joules to Ergs1 J = 1e+7 erg
See every unit on the Energy Converter.