Calories to Kilocalories Converter (cal to kcal)
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Formula
To convert calories to kilocalories, multiply the value by 0.001.
kcal = cal × 0.001
Example calculation
Convert 5 cal to kcal:
5 cal × 0.001 = 0.005 kcal
Conversion table
| cal | kcal |
|---|---|
| 1 | 0.0010 |
| 2 | 0.0020 |
| 3 | 0.0030 |
| 4 | 0.0040 |
| 5 | 0.0050 |
| 6 | 0.0060 |
| 7 | 0.0070 |
| 8 | 0.0080 |
| 9 | 0.0090 |
| 10 | 0.0100 |
| 15 | 0.0150 |
| 20 | 0.0200 |
| 25 | 0.0250 |
| 30 | 0.0300 |
| 35 | 0.0350 |
| 40 | 0.0400 |
| 45 | 0.0450 |
| 50 | 0.0500 |
| 55 | 0.0550 |
| 60 | 0.0600 |
| 65 | 0.0650 |
| 70 | 0.0700 |
| 75 | 0.0750 |
| 80 | 0.0800 |
| 85 | 0.0850 |
| 90 | 0.0900 |
| 95 | 0.0950 |
| 100 | 0.1000 |
| 200 | 0.2000 |
| 500 | 0.5000 |
| 1000 | 1.0000 |
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About the units
- Calorie (cal)
- The thermochemical calorie is exactly 4.184 joules, historically the heat to warm one gram of water by 1 °C.
- Kilocalorie (kcal)
- The "food calorie" on nutrition labels. Equal to 4,184 joules.
Frequently asked questions
- How do I convert calories to kilocalories?
- To convert calories to kilocalories, multiply the value by 0.001.
- How many kilocalories are in 1 calorie?
- 1 calorie equals 0.001 kcal.
- How many kilocalories are in 10 calories?
- 10 cal equals 0.01 kcal.
- How do I convert kilocalories back to calories?
- Use the reverse converter: 1 kilocalorie equals 1000 cal.
- Is this converter accurate?
- Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.
Related conversions
- Reverse conversion: kilocalories → calories
- joules → calories
- calories → joules
- joules → kilocalories
- kilocalories → joules
- kilojoules → calories
- calories → kilojoules
- kilojoules → kilocalories
- kilocalories → kilojoules