Kilocalorie (International) (kcal)
Convert Kilocalorie (International) to Other Units
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About the Kilocalorie (International)
Unit Details
Quick Conversions
Reference Chart
Kilocalorie (International) Reference Chart - Energy Conversions
Interactive conversion chart showing energy unit relationships. Compare 8 common units with precise calculations.
| Unit | Symbol | Equivalent to 1 aJ |
|---|---|---|
| AttojouleBase Unit | aJ | 1 |
| Btu (International) | Btu | 1.055E21 |
| Btu (Thermochemical) | Btu | 1.054E21 |
| Calorie (International) | cal | 4.187E18 |
| Calorie (Nutritional) | cal | 4.187E21 |
| Calorie (Thermochemical) | cal | 4.184E18 |
| Dyne-Centimeter | dyn cm | 1E11 |
| Electron Volt | eV | 0.16021 |
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Conversion Accuracy
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Comparison Table
Kilocalorie (International) Comparison Table
Compare Kilocalorie (International) values with 6 other energy units. Quick reference for common conversion values.
| Kilocalorie (International) (kcal) | Attojoule (aJ) | Btu (International) (Btu) | Btu (Thermochemical) (Btu) | Calorie (International) (cal) | Calorie (Nutritional) (cal) | Calorie (Thermochemical) (cal) |
|---|---|---|---|---|---|---|
| 1 | 4.187E21 | 3.96832 | 3.970977 | 1,000 | 1 | 1,000.669216 |
| 5 | 2.093E22 | 19.841601 | 19.854887 | 5,000 | 5 | 5,003.34608 |
| 10 | 4.187E22 | 39.683202 | 39.709774 | 10,000 | 10 | 10,006.692161 |
| 25 | 1.047E23 | 99.208004 | 99.274434 | 25,000 | 25 | 25,016.730402 |
| 50 | 2.093E23 | 198.416008 | 198.548869 | 50,000 | 50 | 50,033.460803 |
| 100 | 4.187E23 | 396.832016 | 397.097738 | 100,000 | 100 | 100,066.921606 |
How to Use This Table
Find the value in Kilocalorie (International) in the first column, then read across to see the equivalent values in other energy units.
Precision Note
All conversions are calculated using precise conversion factors with locale-appropriate number formatting for optimal readability.
About the Kilocalorie (International)
The Kilocalorie (International) (kcal) is a unit of energy measurement. Use our converter above to convert Kilocalorie (International) to any other energy unit instantly