Energy
Browse Energy conversions1 kilocalorie = 4.184 kilojoule
How This Conversion Works
Kilocalorie and kilojoule are both used for energy conversions. This page converts 1 kilocalorie into 4.184 kilojoule using the formula shown below.
Use this result for quick checks, comparisons, and everyday reference. For work that depends on exact precision, review the rounding setting and the assumption note before using the number.
The precision controls let you switch between a shorter result, the standard readable result, and scientific notation when the value is very large or very small.
Unit Notes
- 1 kilocalorie (kcal) equals 4184 joule.
- 1 kilojoule (kJ) equals 1000 joule.
Conversion Questions
How do you convert kilocalorie to kilojoule?
This page converts kilocalorie to kilojoule using this formula: (1 x 4184) / 1000.
What is 1 kilocalorie in kilojoule?
1 kilocalorie equals 4.184 kilojoule.
How many decimals does this converter show?
Displayed to 10 decimal places, trimmed for readability. The precision buttons can also show a shorter result or scientific notation.
Equivalent Values
Nearby Values
- Formula
- (1 x 4184) / 1000
- Rounding
- Displayed to 10 decimal places, trimmed for readability.
- Assumption
- Energy units use SI definitions. Calorie is the thermochemical calorie at 4.184 joules. BTU is the International Table BTU.