Kilocalories to Kilojoules Converter
Instantly convert Kilocalories (kcal) to Kilojoules (kJ). Critical for nutrition labels, dietary planning, and food science when converting between kcal and kJ energy values.
Quick Reference
How to Convert Kilocalories to Kilojoules
To convert Kilocalories to Kilojoules, use this formula:
kJ = kcal × 4.184
Example: Converting 2000 kcal to Kilojoules gives you 8368 kJ. Just enter your own value in the converter above for an instant result.
Kilocalories to Kilojoules Conversion Table
Common Kilocalories to Kilojoules values at a glance — use this as a quick lookup reference:
| Kilocalories (kcal) | Kilojoules (kJ) |
|---|---|
| 100 kcal | 418.4 kJ |
| 200 kcal | 836.8 kJ |
| 500 kcal | 2092 kJ |
| 1000 kcal | 4184 kJ |
| 1500 kcal | 6276 kJ |
| 1800 kcal | 7531.2 kJ |
| 2000 kcal | 8368 kJ |
| 2500 kcal | 10460 kJ |
| 3000 kcal | 12552 kJ |
| 5000 kcal | 20920 kJ |
| 10000 kcal | 41840 kJ |
When to Use Kilocalories to Kilojoules Conversion
Critical for nutrition labels, dietary planning, and food science when converting between kcal and kJ energy values. Here are the most common scenarios where you will need this conversion:
About Kilocalories and Kilojoules
One kilocalorie equals exactly 4.184 kilojoules. Most countries display food energy in both kilocalories (kcal) and kilojoules (kJ) on nutrition labels — the EU mandates kJ while the US uses kcal. A typical 2000 kcal daily diet is 8368 kJ. Athletes and dietitians frequently convert between these units when working with international dietary guidelines. Food manufacturers exporting products need both values for compliance with different national labeling regulations.
Related Energy Conversions
All Kilocalories to Kilojoules Values
Click any specific value below for a dedicated conversion page with formula, table, and nearby values: