Calorie (cal) vs Kilocalorie (kcal)
See the key differences, formulas, and conversion table.
// Side-by-side
| Calorie (cal) (cal) | Kilocalorie (kcal) (kcal) | Calorie (cal) (cal) ← |
|---|---|---|
| 1 cal | 0.001 kcal | 1 kcal = 1,000 cal |
| 5 cal | 0.005 kcal | 5 kcal = 5,000 cal |
| 10 cal | 0.01 kcal | 10 kcal = 10,000 cal |
| 20 cal | 0.02 kcal | 20 kcal = 20,000 cal |
| 25 cal | 0.025 kcal | 25 kcal = 25,000 cal |
| 50 cal | 0.05 kcal | 50 kcal = 50,000 cal |
| 100 cal | 0.1 kcal | 100 kcal = 100,000 cal |
| 200 cal | 0.2 kcal | 200 kcal = 200,000 cal |
| 500 cal | 0.5 kcal | 500 kcal = 500,000 cal |
| 1000 cal | 1 kcal | 1000 kcal = 1,000,000 cal |
Calorie (cal) to Kilocalorie (kcal) formula
Kilocalorie (kcal) to Calorie (cal) formula
How to use this comparison
Calorie (cal) vs Kilocalorie (kcal) in practice
Use this page when you need to compare Calorie (cal) and Kilocalorie (kcal) side by side, explain the difference to someone else, or sanity-check both directions at once. Use the dedicated converter when you already know the direction and just need a precise result for one value.
Best for comparison
Read the ratio, quick table, and reverse formula before choosing which unit to show in a report or product UI.
Use converter for precision
For a single value, open the cal to kcal or kcal to cal converter and keep the result tied to one direction.
Common mistake
Do not reuse the cal to kcal multiplier for the reverse direction. The reverse multiplier is 1,000, not 0.001.
// Frequently Asked Questions
What is the difference between Calorie (cal) and Kilocalorie (kcal)?▼
How do you convert Calorie (cal) to Kilocalorie (kcal)?▼
How do you convert Kilocalorie (kcal) to Calorie (cal)?▼
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