Kilocalorie (kcal)
1,000 small calories — the 'Calorie' on US nutrition labels.
Result
1 kilocalorie = 4,184 joules
Kilocalorie at a glance
| Unit name | Kilocalorie (plural: kilocalories) |
|---|---|
| Symbol | kcal |
| Quantity measured | Energy |
| Measurement system | Metric |
| Also known as | kcal, food calorie, large calorie, calories (food) |
| Definition exact? | Yes — exact by definition |
1 kilocalorie in other energy units
| Unit | 1 kcal equals |
|---|---|
| Joule | 4,184 J |
| Kilojoule | 4.184 kJ |
| Megajoule | 0.004184 MJ |
| Calorie | 1,000 cal |
| Watt-hour | 1.16222222 Wh |
| Kilowatt-hour | 0.001162222 kWh |
| Megawatt-hour | 0.000001162 MWh |
| Electronvolt | 2.6114474 × 10²² eV |
| British thermal unit | 3.96566683 BTU |
| Therm | 0.000039657 thm |
| Foot-pound | 3,085.96003 ft·lb |
Popular kilocalorie conversions
Frequently asked questions
- What is a kilocalorie?
- 1,000 small calories — the 'Calorie' on US nutrition labels.
- What is the symbol for the kilocalorie?
- The symbol for the kilocalorie is kcal. It measures energy.
- How many joules are in a kilocalorie?
- 1 kilocalorie = 4,184 joules.
- How many kilojoules are in a kilocalorie?
- 1 kilocalorie = 4.184 kilojoules.
- How many kilowatt-hours are in a kilocalorie?
- 1 kilocalorie = 0.001162222 kilowatt-hours.