10 joules to kilowatt hours
10 J = 0.00000278 kWh. Change the amount below, or read the formula and the reference table further down.
10 joules equals
kilowatt hours
1 J = 2.7778 × 10^-7 kWh
The formula
Joules and kilowatt hours both measure energy from the same zero, so a single multiplier does the job.
kWh = J × 2.7778 × 10^-7
Going the other way? Convert kilowatt hours to joules.
Joules to kilowatt hours table
Values either side of 10 J.
| Joules (J) | Kilowatt hours (kWh) |
|---|---|
| 0 | 0 |
| 1 | 2.7778 × 10^-7 |
| 2 | 5.5556 × 10^-7 |
| 3 | 8.3333 × 10^-7 |
| 4 | 0.000001 |
| 5 | 0.000001 |
| 6 | 0.000002 |
| 7 | 0.000002 |
| 8 | 0.000002 |
| 9 | 0.000003 |
| 10 | 0.000003 |
| 11 | 0.000003 |
| 12 | 0.000003 |
| 13 | 0.000004 |
| 14 | 0.000004 |
| 15 | 0.000004 |
| 16 | 0.000004 |
| 17 | 0.000005 |
| 18 | 0.000005 |
| 19 | 0.000005 |
| 20 | 0.000006 |
Questions people ask
- How many kilowatt hours are in a joule?
- One joule equals 2.7778 × 10^-7 kilowatt hours.
- How do I convert joules to kilowatt hours by hand?
- Multiply the number of joules by 2.7778 × 10^-7. For a rough check, 2.7778 × 10^-7 is close enough for most everyday use.
- What is 10 joules in kilowatt hours?
- 10 joules is 0.00000278 kilowatt hours.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.