Converting between joules and watt-hours is essential in physics, nutrition, electrical engineering, and heating calculations. Energy units bridge different domains: joules in physics, calories in nutrition, kilowatt-hours in electricity, and BTUs in heating.
0 j = 0 wh
0 (zero) joule(s) is equal to 0 (zero) watt-hour(s)
What is joule?
The joule (J) is the SI unit of energy. It is defined as the work done by a force of one newton acting through a distance of one metre. Joules measure mechanical, electrical, and thermal energy.
What is watt-hour?
The watt-hour (Wh) equals 3,600 joules. It measures electrical energy consumption over time. Battery capacities for small devices are often measured in watt-hours.
How to convert j to wh
0 j = 0 wh
Common Conversions
| j | wh (Watt-hour) | Description |
|---|---|---|
| 1 J | 0.000278 Wh | 1 Joule(s) = 0.000278 Watt-hour(s) |
| 2 J | 0.000556 Wh | 2 Joule(s) = 0.000556 Watt-hour(s) |
| 5 J | 0.001389 Wh | 5 Joule(s) = 0.001389 Watt-hour(s) |
| 10 J | 0.002778 Wh | 10 Joule(s) = 0.002778 Watt-hour(s) |
| 25 J | 0.006944 Wh | 25 Joule(s) = 0.006944 Watt-hour(s) |
| 50 J | 0.013889 Wh | 50 Joule(s) = 0.013889 Watt-hour(s) |
| 100 J | 0.027778 Wh | 100 Joule(s) = 0.027778 Watt-hour(s) |
| 250 J | 0.069444 Wh | 250 Joule(s) = 0.069444 Watt-hour(s) |
| 500 J | 0.138889 Wh | 500 Joule(s) = 0.138889 Watt-hour(s) |
| 1000 J | 0.277778 Wh | 1000 Joule(s) = 0.277778 Watt-hour(s) |
| 2500 J | 0.694444 Wh | 2500 Joule(s) = 0.694444 Watt-hour(s) |
| 5000 J | 1.388889 Wh | 5000 Joule(s) = 1.388889 Watt-hour(s) |
| 10000 J | 2.777778 Wh | 10000 Joule(s) = 2.777778 Watt-hour(s) |
Convert Joule to other units
| j | Unit | Description |
|---|---|---|
| 0 J | 0 kJ | Kilojoule |
| 0 J | 0 MJ | Megajoule |
| 0 J | 0 cal | Calorie |
| 0 J | 0 kcal | Kilocalorie |
| 0 J | 0 Wh | Watt-hour |
| 0 J | 0 kWh | Kilowatt-hour |
| 0 J | 0 BTU | British thermal unit |
More Watt-hour conversions
1 J
2 J
3 J
4 J
5 J
6 J
7 J
8 J
9 J
10 J
11 J
12 J
13 J
14 J
15 J
16 J
17 J
18 J
19 J
20 J
25 J
30 J
40 J
50 J
60 J
70 J
80 J
90 J
100 J
200 J
300 J
500 J
1000 J
2000 J
5000 J
10000 J