1 kWh to Joules
1 kWh = 3600000 J
1 kilowatt-hour equals 3600000 joules.
How to convert 1 kWh to J
Use the formula J = kWh × 3600000:
J = 1 × 3600000J = 3600000
So 1 kWh = 3600000 J.
Rounded values and quick estimate
- Rounded to a whole number: 3,600,000 J
- Rounded to one decimal place: 3,600,000 J
- Conversion factor: 1 kilowatt-hour = 3600000 joules
This conversion is exact, so there is no need to estimate: just multiply by 3,600,000.
1 kWh in other units
- Joules
- 3600000 J
- Kilojoules
- 3600 kJ
- Calories
- 860420.65 cal
- Kilocalories (food Calories)
- 860.42 kcal
- US therms
- 0.0341 thm
1 kWh and nearby values
About kilowatt-hours and joules
A kilowatt-hour is 1,000 watts used for one hour (3.6 million joules). Electricity is billed per kWh.
The joule is the SI unit of energy. One food Calorie (kcal) equals 4,184 joules.
Related conversions
Frequently asked questions
What is 1 kWh in Joules?
1 kilowatt-hour is 3600000 joules (1 kWh = 3600000 J).
How do you convert 1 kWh to J?
Apply J = kWh × 3600000: J = 1 × 3600000, J = 3600000.
How many kilowatt-hours is 3600000 J?
3600000 J is about 1 kilowatt-hour.