⚡ Energy
calories to kilocalories Converter
Convert calories to kilocalories instantly with a reference conversion table.
Quick answer: To convert calories to kilocalories, multiply by 0.001. For example, 1 calories = 0.001 kilocalories. Use the calculator below for any value.
calories to kilocalories
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Common conversions
| calories | kilocalories |
|---|
Formula:
How to convert calories to kilocalories
1
Enter your value
Type the number of calories you want to convert into the left box. The result in kilocalories appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — kilocalories to calories. Your current value carries across so you don't have to re-enter anything.
3
About calories and kilocalories
calories and kilocalories are common energy measurements.
📊 Common conversions at a glance
| calories | kilocalories |
|---|---|
| 1 | 0.001 |
| 10 | 0.01 |
| 100 | 0.1 |
| 500 | 0.5 |
| 1000 | 1 |
| 2000 | 2 |
Reviewed for 2026. calories ↔ kilocalories conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.