Convert kilowatt hour (kWh) to joule (J).
EnergyOpen
Joule to Kilowatt Hour Converter (J to kWh)
Convert joule (J) to kilowatt hour (kWh).Unit Converter · Energy
Quick answer
1 joule (J) is approximately equal to 2.777778 × 10⁻⁷ kilowatt hours (kWh). 1 kilowatt hour (kWh) is equal to 36,00,000 joules (J).
To convert J to kWh, multiply the value in joules by 2.7777777778 × 10⁻⁷ (or divide by 36,00,000). For example, 10 J = 0.00000278 kWh, and 100 J = 0.00002778 kWh.
Loading chart…
Quick reference — joule to kilowatt hour
More in Energy
All Energy convertersConvert joule (J) to kilojoule (kJ).
EnergyOpenConvert joule (J) to calorie (cal).
EnergyOpenConvert joule (J) to kilocalorie (kcal).
EnergyOpenConvert joule (J) to BTU (BTU).
EnergyOpenConvert joule (J) to electronvolt (eV).
EnergyOpenConvert joule (J) to watt hour (Wh).
EnergyOpenConvert kilojoule (kJ) to kilowatt hour (kWh).
EnergyOpenConvert calorie (cal) to kilowatt hour (kWh).
EnergyOpen
How to convert joules to kilowatt hours
How many kilowatt hours are in a joule? 1 joule is about 2.777778 × 10⁻⁷ kilowatt hours. This free J to kWh converter and joule to kilowatt hour calculator gives the answer instantly for any value.
To convert joule (J) to kilowatt hour (kWh), multiply the value in joules by 2.7777777778 × 10⁻⁷, or divide it by 36,00,000.
kWh = J × 2.7777777778 × 10⁻⁷
- 1
Take the value in joules
For example, 25 J.
- 2
Multiply by 2.7777777778 × 10⁻⁷
25 × 2.7777777778 × 10⁻⁷.
- 3
Read the answer in kilowatt hours
25 J = 0.00000694 kWh.
Joule to Kilowatt Hour conversion table
Common values from 1 to 1,000 joules converted to kilowatt hours.
| Joule (J) | Kilowatt Hour (kWh) |
|---|---|
| 1 J | 2.77777778 × 10⁻⁷ kWh |
| 2 J | 5.55555556 × 10⁻⁷ kWh |
| 3 J | 8.33333333 × 10⁻⁷ kWh |
| 4 J | 0.00000111 kWh |
| 5 J | 0.00000139 kWh |
| 6 J | 0.00000167 kWh |
| 7 J | 0.00000194 kWh |
| 8 J | 0.00000222 kWh |
| 9 J | 0.0000025 kWh |
| 10 J | 0.00000278 kWh |
| 15 J | 0.00000417 kWh |
| 20 J | 0.00000556 kWh |
| 25 J | 0.00000694 kWh |
| Joule (J) | Kilowatt Hour (kWh) |
|---|---|
| 30 J | 0.00000833 kWh |
| 40 J | 0.00001111 kWh |
| 50 J | 0.00001389 kWh |
| 60 J | 0.00001667 kWh |
| 70 J | 0.00001944 kWh |
| 75 J | 0.00002083 kWh |
| 80 J | 0.00002222 kWh |
| 90 J | 0.000025 kWh |
| 100 J | 0.00002778 kWh |
| 250 J | 0.00006944 kWh |
| 500 J | 0.00013889 kWh |
| 1,000 J | 0.00027778 kWh |
About joules and kilowatt hours
Joule (J)
The joule (J) is the SI unit of energy: the work done by a force of one newton over one meter. One watt is one joule per second.
Kilowatt Hour (kWh)
A kilowatt-hour (kWh) is 1,000 watt-hours, or 3.6 million joules. It is the "unit" charged on household electricity bills.
J to kWh: common questions
- How many kilowatt hours are in 1 joule?
- 1 joule (J) is approximately equal to 2.777778 × 10⁻⁷ kilowatt hours (kWh). In short: 1 J ≈ 2.777778 × 10⁻⁷ kWh.
- How do I convert joules to kilowatt hours?
- To convert J to kWh, multiply the value in joules by 2.7777777778 × 10⁻⁷ (or divide by 36,00,000). For example, 5 J = 0.00000139 kWh.
- What is 10 J in kWh, and what is 100 J?
- 10 J = 0.00000278 kWh, and 100 J = 0.00002778 kWh. The table above lists more values from 1 to 1,000.
- Is this J to kWh converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
Customize this calculator
Pick a look, copy the code, and this Joule to Kilowatt Hour calculator — with its inputs and results — runs on your own website.
Theme color
Match your brand's colors
Corner style
Sharp, soft or fully rounded
Widget width
Compact, standard or full width
Live preview
Full widthThe same inputs, result and chart as the calculator above, styled with your choices.
yoursite.com