Kilowatt-hour to Kilojoule
1 kWh = 3600.00 kJ
Convert Kilowatt-hour (kWh) to Kilojoule (kJ) with engineering-grade precision. Instant results, formula, and reference table below.
1 Kilowatt-hour ≈3600 Kilojoule
How to convert Kilowatt-hour to Kilojoule (kWh to kJ)
Converting Kilowatt-hours to Kilojoules is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
1 kWh = 3600.00 kJ
Calculation Example
Let's say you want to convert 5 kWh to kJ:
- Input: 5 kWh
- Calculation: 5 × 3600.00
- Result: 18000.0000 kJ
About the Kilowatt-hour to Kilojoule conversion
The conversion factor from Kilowatt-hour (kWh) to Kilojoule (kJ) is 3600.00, meaning 1 kWh = 3600.00 kJ and inversely 1 kJ = 0.00027778 kWh. That makes the Kilowatt-hour the larger of the two units in the energy category, where the SI base unit is the joule. Every ratio here is derived from the SI/international definition rather than a rounded approximation, so results are stable across repeated conversions.
Need the reverse? Use the Kilojoule to Kilowatt-hour converter.
Frequently Asked Questions
How do I convert Kilowatt-hour to Kilojoule?
To convert Kilowatt-hour to Kilojoule, you need to multiply the kWh value by 3600.00.
What is the formula for kWh to kJ?
The simple formula is: kJ = kWh × 3600.00.
Which is bigger: Kilowatt-hour or Kilojoule?
A Kilowatt-hour is bigger. One Kilowatt-hour is equal to approx 3600.0000 Kilojoules.
How many Kilowatt-hours are in one Kilojoule?
There are approximately 0.000277778 Kilowatt-hours in one Kilojoule.
Quick Conversion Table
| kWh | kJ |
|---|---|
| 1 | 3600.0000 |
| 5 | 18000.0000 |
| 10 | 36000.0000 |
| 20 | 72000.0000 |
| 50 | 180000.0000 |
| 100 | 360000.0000 |