Joules to Kilowatt-hours Converter
Convert J to kWh instantly — and see every other energy unit at once.
1 J=2.7778e-7 kWh
1 J in every unit
Joulesfrom
1J
Kilojoules
0.001kJ
Megajoules
1.0000e-6MJ
Watt-hours
2.7778e-4Wh
Kilowatt-hours
2.7778e-7kWh
Calories (small)
0.239006cal
Kilocalories (kcal)
2.3901e-4kcal
BTU
9.4781e-4BTU
Electronvolts
6,241,509,074,460,763,000eV
Foot-pounds
0.737561ft·lb
Common Joules to Kilowatt-hours conversions
| Joules (J) | Kilowatt-hours (kWh) |
|---|---|
| 500 J | 0.00014 kWh |
| 1000 J | 0.00028 kWh |
The formula
Joules (J) — a unit of energy.
Kilowatt-hours (kWh) — a unit of energy.
Worked examples
1 J→0 kWh
Apply Joules ÷ 3600000 with input = 1. Result: 0 kWh.
5 J→0 kWh
Apply Joules ÷ 3600000 with input = 5. Result: 0 kWh.
10 J→0 kWh
Apply Joules ÷ 3600000 with input = 10. Result: 0 kWh.
FAQ
How do I convert Joules to Kilowatt-hours?
Use the formula: kWh = Joules ÷ 3600000. You can also use the converter above — type any value and the result updates instantly.
Where are Joules used?
Joules (J) — a unit of energy.
Where are Kilowatt-hours used?
Kilowatt-hours (kWh) — a unit of energy.
How do I convert Kilowatt-hours back to Joules?
Use the Kilowatt-hours to Joules converter.