Joule to Kilowatt-hour Converter
محوّل الطاقة المجاني, حوّل الجول والسعرات والكيلوواط ساعة و BTU فورًا
1Joule=2.777778e-7Kilowatt-hour
1 Kilowatt-hour = 3600000 Joule
Joule
- Symbol
- J
- System
- Metric/Imperial
- Dimension
- Various
Kilowatt-hour
- Symbol
- kWh
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Joule | Kilowatt-hour | Kilowatt-hour | Joule |
|---|---|---|---|
| 1 | 2.777778e-7 | 1 | 3600000 |
| 2 | 5.555556e-7 | 2 | 7200000 |
| 3 | 8.333333e-7 | 3 | 10800000 |
| 5 | 0.0000013889 | 5 | 18000000 |
| 10 | 0.0000027778 | 10 | 36000000 |
| 25 | 0.0000069444 | 25 | 90000000 |
| 50 | 0.0000138889 | 50 | 180000000 |
| 100 | 0.0000277778 | 100 | 360000000 |
| 500 | 0.0001388889 | 500 | 1.800000e+9 |
| 1000 | 0.0002777778 | 1000 | 3.600000e+9 |
Conversion Formula
Kilowatt-hour = Joule × 2.777778e-7
Joule = Kilowatt-hour × 3600000
Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 2.777778e-7.
How to convert Joule to Kilowatt-hour
Multiply the value in joule by 2.777778e-7 to get kilowatt-hour. For example, 5 Joule = 0.0000013889 Kilowatt-hour. All results in the الطاقة converter update instantly as you type, so you can see every unit at once without manual math.
Common mistakes
Do not round the factor to 2.77 too early — keep full precision until the final display. For الطاقة, always verify critical calculations (medicine, engineering) with a second source.
FAQ
- How many Kilowatt-hour in 1 Joule?
- 1 Joule = 2.777778e-7 Kilowatt-hour.
- How many Joule in 1 Kilowatt-hour?
- 1 Kilowatt-hour = 3600000 Joule.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
Embed this converter on your site
Free, responsive, no sign-up required. Just paste a snippet.
Get Embed Code