Convert Kilojoule to Watt-hour
0.277778
≈ 9/32 Wh
1 kJ = 0.27777778 Wh
Use the conversion factor 1 kJ = 0.2777777778 Wh. To convert Kilojoule to Watt-hour, multiply the input value by 0.2777777778.
Conversion Formula
Wh = kJ × 0.277778
Reverse: kJ = Wh × 3.6
Conversion Examples
1 kJ × 0.27777778 =
0.27777778 Wh
1 Kilojoules = 0.27777778 Watt-hours
5 kJ × 0.27777778 =
1.3888889 Wh
5 Kilojoules = 1.3888889 Watt-hours
10 kJ × 0.27777778 =
2.7777778 Wh
10 Kilojoules = 2.7777778 Watt-hours
25 kJ × 0.27777778 =
6.9444444 Wh
25 Kilojoules = 6.9444444 Watt-hours
50 kJ × 0.27777778 =
13.888889 Wh
50 Kilojoules = 13.888889 Watt-hours
100 kJ × 0.27777778 =
27.777778 Wh
100 Kilojoules = 27.777778 Watt-hours
Kilojoule to Watt-hour Table
kJ =—Wh
| Kilojoule (kJ) | Watt-hour (Wh) | Fraction |
|---|---|---|
| 1 | 0.2778 | 9/32 |
| 6 | 1.6667 | 1 43/64 |
| 11 | 3.0556 | 3 1/16 |
| 16 | 4.4444 | 4 7/16 |
| 21 | 5.8333 | 5 53/64 |
| 26 | 7.2222 | 7 7/32 |
| 31 | 8.6111 | 8 39/64 |
| 36 | 10 | — |
| 41 | 11.3889 | 11 25/64 |
| 46 | 12.7778 | 12 25/32 |
| 51 | 14.1667 | 14 11/64 |
| 56 | 15.5556 | 15 9/16 |
| 61 | 16.9444 | 16 15/16 |
| 66 | 18.3333 | 18 21/64 |
| 71 | 19.7222 | 19 23/32 |
| 76 | 21.1111 | 21 7/64 |
| 81 | 22.5 | 22 1/2 |
| 86 | 23.8889 | 23 57/64 |
| 91 | 25.2778 | 25 9/32 |
| 96 | 26.6667 | 26 43/64 |
Unit Definitions
What is a Kilojoule (kJ)?
Metric (SI)Worldwide
Kilojoule (kJ) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about KilojouleWhat is a Watt-hour (Wh)?
Metric (SI)Worldwide
Watt-hour (Wh) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about Watt-hourFrequently Asked Questions
How do I convert Kilojoule to Watt-hour?
Multiply the value in kJ by 0.2777777778. The formula is Wh = kJ × 0.2777777778.
How many Watt-hour are in 1 Kilojoule?
One Kilojoule equals 0.2777777778 Wh.
What is 100 kJ in Wh?
100 kJ equals 27.77777778 Wh.
How do I convert Watt-hour back to Kilojoule?
Use the reverse factor: 1 Wh = 3.6 kJ.