Energy

Joules to kilojoules Converter

Convert joule to kilojoule instantly.

FormulakJ = J × 0.001
Sources and methodology1 J = 0.001 kJ — exactly. exactly

Quick conversion table

joulekilojoule
1 J0.001 kJ
10 J0.01 kJ
100 J0.1 kJ
500 J0.5 kJ
1000 J1 kJ
5000 J5 kJ
10000 J10 kJ
100000 J100 kJ

Unit definitions

joule (J)

joule is a unit of Energy. In this converter it is defined against the category base unit as 1 J = 1 J.

kilojoule (kJ)

kilojoule is a unit of Energy. In this converter it is defined against the category base unit as 1 kJ = 1000 J.

Example

10 J = 0.01 kJ

Sources and methodology

Definitions: BIPM SI Brochure and NIST conversion guidance. Methodology.