Kilocalorie to Joule Converter

Converting between kilocalories (kcal) and joules (J) is common in nutrition, physics, and engineering. One kilocalorie equals exactly 4,184 joules, making the conversion straightforward:

Key Facts About These Units

• • A kilocalorie is the energy needed to raise 1 kilogram of water by 1°C
• • One joule equals one newton-meter (N⋅m)
• • Food labels often use "Calories" (with capital C), which are actually kilocalories