Convert Watt-hour to Kilojoule
3.6
≈ 3 19/32 kJ
Use the conversion factor 1 Wh = 3.6 kJ. To convert Watt-hour to Kilojoule, multiply the input value by 3.6.
Conversion Formula
kJ = Wh × 3.6
Reverse: Wh = kJ × 0.277778
Conversion Examples
1 Wh × 3.6 =
3.6 kJ
1 Watt-hours = 3.6 Kilojoules
5 Wh × 3.6 =
18 kJ
5 Watt-hours = 18 Kilojoules
10 Wh × 3.6 =
36 kJ
10 Watt-hours = 36 Kilojoules
25 Wh × 3.6 =
90 kJ
25 Watt-hours = 90 Kilojoules
50 Wh × 3.6 =
180 kJ
50 Watt-hours = 180 Kilojoules
100 Wh × 3.6 =
360 kJ
100 Watt-hours = 360 Kilojoules
Watt-hour to Kilojoule Table
Wh =—kJ
| Watt-hour (Wh) | Kilojoule (kJ) | Fraction |
|---|---|---|
| 1 | 3.6 | 3 19/32 |
| 2 | 7.2 | 7 13/64 |
| 3 | 10.8 | 10 51/64 |
| 4 | 14.4 | 14 13/32 |
| 5 | 18 | — |
| 6 | 21.6 | 21 19/32 |
| 7 | 25.2 | 25 13/64 |
| 8 | 28.8 | 28 51/64 |
| 9 | 32.4 | 32 13/32 |
| 10 | 36 | — |
| 11 | 39.6 | 39 19/32 |
| 12 | 43.2 | 43 13/64 |
| 13 | 46.8 | 46 51/64 |
| 14 | 50.4 | 50 13/32 |
| 15 | 54 | — |
| 16 | 57.6 | 57 19/32 |
| 17 | 61.2 | 61 13/64 |
| 18 | 64.8 | 64 51/64 |
| 19 | 68.4 | 68 13/32 |
| 20 | 72 | — |
Unit Definitions
What 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-hourWhat 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 KilojouleFrequently Asked Questions
How do I convert Watt-hour to Kilojoule?
Multiply the value in Wh by 3.6. The formula is kJ = Wh × 3.6.
How many Kilojoule are in 1 Watt-hour?
One Watt-hour equals 3.6 kJ.
What is 10 Wh in kJ?
10 Wh equals 36 kJ.
How do I convert Kilojoule back to Watt-hour?
Use the reverse factor: 1 kJ = 0.2777777778 Wh.