kcal
kJ
Conversion Formula
1 kilocalorie (kcal) = 4.184 kilojoules (kJ)
1 kilojoule (kJ) = 0.239 kilocalories (kcal)
Kcal ⇄ kJ Real-time Conversion
Instantly convert between kilocalories (kcal) and kilojoules (kJ) with our premium bidirectional tool. Perfect for nutrition tracking, dietary planning, and scientific calculations.
1 kilocalorie (kcal) = 4.184 kilojoules (kJ)
1 kilojoule (kJ) = 0.239 kilocalories (kcal)
Our premium kcal to kJ converter is a professional tool designed for accurate, real-time energy unit conversion. Whether you're tracking nutritional information, planning diets, or working on scientific calculations, this tool provides instant bidirectional conversion between kilocalories and kilojoules.
This converter is essential for nutritionists, fitness enthusiasts, health-conscious individuals, and scientists. Easily convert food energy values between kcal (commonly used in nutrition) and kJ (the SI unit for energy). Understand nutritional labels from different countries that use different measurement systems and maintain accurate dietary logs regardless of the unit used.
Kilocalories (kcal) and kilojoules (kJ) are both units of energy. Kcal is commonly used in nutrition to measure the energy content in food, while kJ is the standard scientific unit in the International System of Units (SI). 1 kcal equals 4.184 kJ.
Different countries use different energy units on nutrition labels. Some use kcal (like the US), while others use kJ (like Australia and Europe). Converting between them helps you understand and compare nutritional information accurately.
Our tool uses the scientifically accepted conversion factor of 1 kcal = 4.184 kJ, providing results accurate to two decimal places. This precision is sufficient for all nutritional and scientific purposes.
This web-based tool works on all devices and can be added to your home screen like an app. Simply use your browser's "Add to Home Screen" feature for quick access.