Convert joules (J) to kilowatt-hours (kWh).
Edit either value. Decimals and scientific notation supported.
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1 J ≈ 2.777777778e-7 kWh
Precision changes displayed rounding, not calculation accuracy.
kWh = J ÷ 3600000kWh = J ÷ 3600000
Divide the J reading by 3600000.
1 J ≈ 2.777777778e-7 kWh
1 ÷ 3600000 ≈ 2.777777778e-7
1000 J ≈ 0.0002777777778 kWh
1000 ÷ 3600000 ≈ 0.0002777777778
No. A watt-hour measures energy; a watt measures power. One watt-hour is the energy transferred at one watt for one hour, equal to 3,600 joules.
Fixed reference · Joule to Kilowatt-hour
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
| Joule (J) | Kilowatt-hour (kWh) |
|---|---|
| 0 | 0 |
| 0.1 | 2.777777778e-8 |
| 0.5 | 1.388888889e-7 |
| 1 | 2.777777778e-7 |
| 2 | 5.555555556e-7 |
| 5 | 0.000001388888889 |
| 10 | 0.000002777777778 |
| 25 | 0.000006944444444 |
| 50 | 0.00001388888889 |
| 100 | 0.00002777777778 |
| 1000 | 0.0002777777778 |
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