Energy
Browse Energy conversions1 calorie = 4.184 joule
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Formula Summary
Result: 1 calorie = 4.184 joule
Formula: (1 x 4.184) / 1
Rounding: Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
Unit Story
Calorie
A small calorie was defined around heating water. Food labels usually use kilocalories, which are also called Calories.
How This Conversion Works
Calorie and joule are both used for energy conversions. This page converts 1 calorie into 4.184 joule 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 calorie (cal) equals 4.184 joule.
- joule (J) is the base unit used for energy conversions.
Questions
How do you convert calorie to joule?
This page converts calorie to joule using this formula: (1 x 4.184) / 1.
What is 1 calorie in joule?
1 calorie equals 4.184 joule.
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 4.184) / 1
- 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.
