kWh to kJ
1 kWh (kWh) equals 3,600 kJ (kJ). Type a value into either box below for an instant two-way conversion. For other units, use the full unit converter.
Chinese version: 千瓦时转千焦
Conversion factor
1 kWh = 3,600 kJ
Reverse: 1 kJ = 0.0002778 kWh
kWh to kJ converter
kWh（kWh）
kJ（kJ）
kWh to kJ conversion table
| kWh | kJ | Detail |
|---|---|---|
| 0.1 | 360 | 0.1 kWh to kJ |
| 0.5 | 1,800 | 0.5 kWh to kJ |
| 1 | 3,600 | 1 kWh to kJ |
| 2 | 7,200 | 2 kWh to kJ |
| 5 | 18,000 | 5 kWh to kJ |
| 10 | 36,000 | 10 kWh to kJ |
How to convert
To convert kWh to kJ, multiply: kJ = kWh × 3,600
To convert kJ to kWh, divide: kWh = kJ ÷ 3,600 (equivalently × 0.0002778).
Example: 1 kWh × 3,600 = 3,600 kJ. The factor is derived from the international definition of each unit; results are shown to 4 significant figures.
Frequently asked questions
1 kWh = 3,600 kJ. The formula is: value in kWh × 3,600 = value in kJ. Use the converter above to convert any value instantly.
1 kJ = 0.0002778 kWh. To convert back, divide the kJ value by 3,600 (or multiply by 0.0002778).
kJ = kWh × 3,600; conversely kWh = kJ ÷ 3,600. For example, 1 kWh × 3,600 = 3,600 kJ. The factor comes from the international definition of the units.
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Disclaimer: conversion factors are derived from international unit definitions and results are for reference only. For trade settlement, engineering or legal documents, follow the contract or official metrology standards.