MJ to kWh
1 MJ (MJ) equals 0.2778 kWh (kWh). Type a value into either box below for an instant two-way conversion. For other units, use the full unit converter.
Chinese version: 兆焦转千瓦时
Conversion factor
1 MJ = 0.2778 kWh
Reverse: 1 kWh = 3.6 MJ
MJ to kWh converter
MJ（MJ）
kWh（kWh）
MJ to kWh conversion table
| MJ | kWh | Detail |
|---|---|---|
| 1 | 0.2778 | 1 MJ to kWh |
| 3.6 | 1 | 3.6 MJ to kWh |
| 10 | 2.778 | 10 MJ to kWh |
| 36 | 10 | 36 MJ to kWh |
| 100 | 27.78 | 100 MJ to kWh |
| 1,000 | 277.78 | 1,000 MJ to kWh |
How to convert
To convert MJ to kWh, multiply: kWh = MJ × 0.2778
To convert kWh to MJ, divide: MJ = kWh ÷ 0.2778 (equivalently × 3.6).
Example: 3.6 MJ × 0.2778 = 1 kWh. The factor is derived from the international definition of each unit; results are shown to 4 significant figures.
Frequently asked questions
3.6 MJ = 1 kWh. The formula is: value in MJ × 0.2778 = value in kWh. Use the converter above to convert any value instantly.
1 kWh = 3.6 MJ. To convert back, divide the kWh value by 0.2778 (or multiply by 3.6).
kWh = MJ × 0.2778; conversely MJ = kWh ÷ 0.2778. For example, 3.6 MJ × 0.2778 = 1 kWh. 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.