Energy
Browse Energy conversions1 kilojoule = 1000 joule
Precision
How This Conversion Works
Kilojoule and joule are both used for energy conversions. This page converts 1 kilojoule into 1000 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 kilojoule (kJ) equals 1000 joule.
- joule (J) is the base unit used for energy conversions.
Conversion Questions
How do you convert kilojoule to joule?
This page converts kilojoule to joule using this formula: (1 x 1000) / 1.
What is 1 kilojoule in joule?
1 kilojoule equals 1000 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
1000
joule
1
kilojoule
239.0057361377
calorie
0.2390057361
kilocalorie
0.2777777778
watt-hour
0.0002777778
kilowatt-hour
0.9478171203
British thermal unit
6241509074460762701824
electronvolt
0.0000094782
therm
Nearby Values
0.5 kilojoule
500 joule
1 kilojoule
1000 joule
2 kilojoule
2000 joule
5 kilojoule
5000 joule
10 kilojoule
10000 joule
- Formula
- (1 x 1000) / 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.