Kilowatt-hours to Joules Converter

Kilowatt-hours (kWh)	Joules (J)
0.001 kWh	3600 J
0.01 kWh	36000 J
0.1 kWh	360000 J
0.5 kWh	1800000 J
1 kWh	3600000 J
2 kWh	7200000 J
5 kWh	18000000 J
10 kWh	36000000 J
20 kWh	72000000 J
50 kWh	180000000 J
100 kWh	360000000 J
500 kWh	1800000000 J
1000 kWh	3600000000 J

To convert kilowatt-hours to joules, use the formula: J = kWh × 3,600,000

For example, to convert 0.5 kWh to J: 0.5 kWh = 1800000 J

💡 This calculator does the conversion instantly as you type. All calculations happen locally in your browser — no data is sent anywhere.