Energy
Browse Energy conversions1 joule = 0.000239 kilocalorie
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Formula Summary
Result: 1 joule = 0.000239 kilocalorie
Formula: (1 x 1) / 4184
Rounding: Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
Unit Story
Kilocalorie
A kilocalorie is the food-label Calorie. That capital-C Calorie is why food energy numbers look familiar on nutrition labels.
How This Conversion Works
Joule and kilocalorie are both used for energy conversions. This page converts 1 joule into 0.000239 kilocalorie 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
- joule (J) is the base unit used for energy conversions.
- 1 kilocalorie (kcal) equals 4184 joule.
Questions
How do you convert joule to kilocalorie?
This page converts joule to kilocalorie using this formula: (1 x 1) / 4184.
What is 1 joule in kilocalorie?
1 joule equals 0.000239 kilocalorie.
How many decimals does this converter show?
Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision. The precision buttons can also show a shorter result or scientific notation.
Equivalent Values
Nearby Values
Full Details
- Formula
- (1 x 1) / 4184
- Rounding
- Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
- Assumption
- Energy units use SI definitions. Calorie is the thermochemical calorie at 4.184 joules. BTU is the International Table BTU.
