1 kwh to j

Updated July 2026

1 kwh equals 3,600,000 J

1 kilowatt-hour = 3,600,000 J. That is how many joules there are in 1 kilowatt-hour. Enter any value in the free energy converter to convert kilowatt-hours to joules (and every other unit) instantly — it runs privately in your browser.

Formula: Multiply by 3,600,000 — 1 kilowatt-hour = 3,600,000 joules. So 1 × 3,600,000 = 3,600,000 J.

kwh to j conversion table

kilowatt-hour (kWh)joules (J)
0.25 kWh900,000 J
0.5 kWh1,800,000 J
0.75 kWh2,700,000 J
1 kWh3,600,000 J
1.25 kWh4,500,000 J
1.5 kWh5,400,000 J
1.75 kWh6,300,000 J

Frequently asked questions

How many joules is 1 kilowatt-hour?
1 kilowatt-hour is 3,600,000 joules. Multiply kwh by 3,600,000 to get j.
What is 1 kwh to j?
1 kilowatt-hour = 3,600,000 J.
How do you convert kwh to j?
Multiply by 3,600,000 — 1 kilowatt-hour = 3,600,000 joules. So 1 × 3,600,000 = 3,600,000 J.

Other kwh to j conversions

Convert 1 kwh to other units