kilojoules to watt-hours
Convert kilojoule to watt-hour — instant, free, with the formula shown.
1 kJ=0.277778 Wh
How to convert kilojoule to watt-hour
To convert kilojoule to watt-hour, multiply by 0.27777778:
Wh = kJ × 0.27777778
For example, 10 kJ × 0.277778 = 2.777778 Wh.
kJ to Wh conversion table
| kilojoules (kJ) | watt-hours (Wh) |
|---|---|
| 1 kJ | 0.277778 Wh |
| 2 kJ | 0.555556 Wh |
| 5 kJ | 1.388889 Wh |
| 10 kJ | 2.777778 Wh |
| 25 kJ | 6.944444 Wh |
| 50 kJ | 13.888889 Wh |
| 100 kJ | 27.777778 Wh |
| 250 kJ | 69.444444 Wh |
| 500 kJ | 138.888889 Wh |
| 1000 kJ | 277.777778 Wh |
Other kilojoule conversions
Convert to watt-hour from another unit
kJ to Wh — frequently asked
How many watt-hours are in 1 kilojoule?
1 kilojoule = 0.277778 watt-hours (kJ × 0.277778 = Wh).
What is the formula to convert kilojoule to watt-hour?
Multiply your kilojoule value by 0.27777778 to get watt-hour.
How do I convert 10 kilojoules to watt-hours?
10 kJ = 2.777778 Wh. For 100 kJ the answer is 27.777778 Wh. Use the calculator on this page for any other value.