Energy
Browse Energy conversions1 calorie = 4.184 joule
Precision
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.
Conversion 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 10 decimal places, trimmed for readability. The precision buttons can also show a shorter result or scientific notation.
Equivalent Values
4.184
joule
0.004184
kilojoule
1
calorie
0.001
kilocalorie
0.0011622222
watt-hour
0.0000011622
kilowatt-hour
0.0039656668
British thermal unit
26114473967543832576
electronvolt
0.0000000397
therm
Nearby Values
0.5 calorie
2.092 joule
1 calorie
4.184 joule
2 calorie
8.368 joule
5 calorie
20.92 joule
10 calorie
41.84 joule
- Formula
- (1 x 4.184) / 1
- 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.