How to Convert kcal to kJ: Complete Guide
Converting from kcal to kJ is a common task in nutrition, electricity billing, fitness tracking, and engineering. Whether you need a quick answer or want to understand the math behind the conversion, this guide covers everything you need.
Quick Answer
**1 kcal = 4.184 kJ**. To convert any value from kcal to kJ, multiply by 4.184.
The Conversion Formula
The formula is straightforward: **kJ = kcal ├Ч 4.184**. For the reverse conversion, divide by 4.184 instead: **kcal = kJ ├╖ 4.184**.
Common Conversion Table
Here are the most commonly needed conversions: - 0.1 kcal = 0.4184 kJ - 0.5 kcal = 2.092 kJ - 1 kcal = 4.184 kJ - 2 kcal = 8.368 kJ - 3 kcal = 12.552 kJ - 5 kcal = 20.92 kJ - 10 kcal = 41.84 kJ - 15 kcal = 62.76 kJ - 20 kcal = 83.68 kJ - 25 kcal = 104.6 kJ - 50 kcal = 209.2 kJ - 100 kcal = 418.4 kJ - 250 kcal = 1046 kJ - 500 kcal = 2092 kJ - 1000 kcal = 4184 kJ
When You Need This Conversion
This conversion is commonly needed in nutrition, electricity billing, fitness tracking, and engineering. Understanding the relationship between kcal and kJ helps you work efficiently across different measurement systems and standards.
Tips for Quick Conversions
Since 1 kcal equals 4.184 kJ, you can estimate by multiplying by roughly 4. For precise results, use our free converter which handles all the math instantly.
Use Our Free Converter
Skip the manual math and use our free kcal to kJ converter for instant, accurate results. It includes a conversion table, formula explanation, and related conversions тАФ all optimized for mobile and desktop.