joules to kWh converter
1 joule equals 0.0000002778 kilowatt-hours. Conversions use kWh = J × 0
J → 0.0000002778 kWh
kWh = J × 0
Converter
Worked examples
- 1 J = 0.0000002778 kWh
- 2 J = 0.0000005556 kWh
- 5 J = 0.0000013889 kWh
- 10 J = 0.0000027778 kWh
- 100 J = 0.0000277778 kWh
joules to kilowatt-hours conversion table
| J | kWh | Arithmetic |
|---|---|---|
| 1 J | 0.0000002778 kWh | × 0 |
| 2 J | 0.0000005556 kWh | × 0 |
| 3 J | 0.0000008333 kWh | × 0 |
| 4 J | 0.0000011111 kWh | × 0 |
| 5 J | 0.0000013889 kWh | × 0 |
| 6 J | 0.0000016667 kWh | × 0 |
| 8 J | 0.0000022222 kWh | × 0 |
| 10 J | 0.0000027778 kWh | × 0 |
| 12 J | 0.0000033333 kWh | × 0 |
| 15 J | 0.0000041667 kWh | × 0 |
| 20 J | 0.0000055556 kWh | × 0 |
| 25 J | 0.0000069444 kWh | × 0 |
| 30 J | 0.0000083333 kWh | × 0 |
| 40 J | 0.0000111111 kWh | × 0 |
| 50 J | 0.0000138889 kWh | × 0 |
| 60 J | 0.0000166667 kWh | × 0 |
| 70 J | 0.0000194444 kWh | × 0 |
| 80 J | 0.0000222222 kWh | × 0 |
| 90 J | 0.000025 kWh | × 0 |
| 100 J | 0.0000277778 kWh | × 0 |
How to convert J to kWh
- Take your value in joules.
- Multiply by 0
- That is your answer in kilowatt-hours — no rounding needed until you choose a display precision.
Related conversions
kWh to JJ to kJJ to calJ to kcalJ to WhJ to BtukJ to kWhcal to kWhkcal to kWhall energy units
Questions
How many kilowatt-hours in 1 joule?
Exactly 0.0000002778 kWh. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert J to kWh?
Multiply the joules figure by 0 — or use the converter above, which updates as you type.
Is J to kWh the same as kWh to J?
No — they are inverses. One J is 0.0000002778 kWh, while one kWh is 3,600,000 J.
What is 1 J in kWh?
1 J = 0.0000002778 kWh (see the value page for the full arithmetic).