Calories to Kilocalories Converter
1 calorie (cal) equals 0.001 kilocalories (kcal).
Quick answer
- 1 calorie = 0.001 kilocalories
- 1 kilocalorie = 1,000 calories
- Formula: kcal = cal ÷ 1,000
1 calorie = 0.001 kilocalories
How to convert calories to kilocalories
kcal = cal ÷ 1,000
To convert calories to kilocalories, divide the number of calories by 1,000.
Example: 42 cal to kcal
- Start with the value in calories: 42 cal.
- Divide by 1,000: 42 ÷ 1,000 = 0.042.
- Result: 42 calories = 0.042 kilocalories.
Going the other way, 1 kilocalorie = 1,000 calories, so to convert kilocalories back to calories you multiply by the same number. See kilocalories to calories.
Calories to kilocalories conversion table
| Calories (cal) | Kilocalories (kcal) |
|---|---|
| 0.1 cal | 0.0001 kcal |
| 0.2 cal | 0.0002 kcal |
| 0.3 cal | 0.0003 kcal |
| 0.4 cal | 0.0004 kcal |
| 0.5 cal | 0.0005 kcal |
| 0.6 cal | 0.0006 kcal |
| 0.7 cal | 0.0007 kcal |
| 0.8 cal | 0.0008 kcal |
| 0.9 cal | 0.0009 kcal |
| 1 cal | 0.001 kcal |
| 1.5 cal | 0.0015 kcal |
| 2 cal | 0.002 kcal |
| 2.5 cal | 0.0025 kcal |
| 3 cal | 0.003 kcal |
| 3.5 cal | 0.0035 kcal |
| 4 cal | 0.004 kcal |
| 4.5 cal | 0.0045 kcal |
| 5 cal | 0.005 kcal |
| 6 cal | 0.006 kcal |
| 7 cal | 0.007 kcal |
| 7.5 cal | 0.0075 kcal |
| 8 cal | 0.008 kcal |
| 9 cal | 0.009 kcal |
| 10 cal | 0.01 kcal |
| 11 cal | 0.011 kcal |
| 12 cal | 0.012 kcal |
| 13 cal | 0.013 kcal |
| 14 cal | 0.014 kcal |
| 15 cal | 0.015 kcal |
| 16 cal | 0.016 kcal |
| 17 cal | 0.017 kcal |
| 18 cal | 0.018 kcal |
| 19 cal | 0.019 kcal |
| 20 cal | 0.02 kcal |
| 21 cal | 0.021 kcal |
| 22 cal | 0.022 kcal |
| 23 cal | 0.023 kcal |
| 24 cal | 0.024 kcal |
| 25 cal | 0.025 kcal |
| 26 cal | 0.026 kcal |
More cal to kcal values
- 27 cal
- 28 cal
- 29 cal
- 30 cal
- 31 cal
- 32 cal
- 33 cal
- 34 cal
- 35 cal
- 36 cal
- 37 cal
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- 1,000 cal
- 1,200 cal
- 1,500 cal
- 2,000 cal
- 2,500 cal
- 3,000 cal
- 4,000 cal
- 5,000 cal
- 10,000 cal
What is a calorie?
The calorie (small calorie) is the energy needed to raise the temperature of one gram of water by about one degree Celsius.
What is a kilocalorie?
The kilocalorie is 1,000 calories, 4,184 joules, the energy needed to warm one kilogram of water by about 1 °C.
Convert calories to other units
Convert other units to kilocalories
- Joules to kilocalories
- Kilowatt-hours to kilocalories
- British thermal units to kilocalories
- Kilojoules to kilocalories
- Calories (food) to kilocalories
- Electronvolts to kilocalories
- Watt-hours to kilocalories
- Foot-pounds to kilocalories
- Megajoules to kilocalories
- Therms to kilocalories
- All kilocalorie conversions →
Frequently asked questions
How many kilocalories are in a calorie?
One calorie is 0.001 kilocalories.
How many calories are in a kilocalorie?
One kilocalorie is 1,000 calories.
What is the formula to convert calories to kilocalories?
kcal = cal ÷ 1,000.