Converters

Kilowatt-hours to Joules Converter

Convert kilowatt-hours to joules instantly. 1 kilowatt-hour = 3600000 joules.

3600000
1 kWh = 3600000 J

Common conversions

From 1 kilowatt-hours
  • Joules (J)3600000
  • Kilojoules (kJ)3600
  • Calories (cal)860421
  • Kilocalories (kcal)860.421
  • Watt-hours (Wh)1000
  • BTU (BTU)3412.13
  • Electronvolts (eV)2.2469e+25
Method

How it works

Joules = Kilowatt-hours × 3600000
Multiply the number of kilowatt-hours by 3600000 to get joules. To go back, multiply by 2.7778e-7. Examples: 1 kWh = 3600000 J · 5 kWh = 18000000 J · 10 kWh = 36000000 J · 100 kWh = 360000000 J.
FAQ

Frequently asked

How many joules are in a kilowatt-hour?

1 kilowatt-hour = 3600000 joules.

What is the formula to convert kilowatt-hours to joules?

Joules = Kilowatt-hours × 3600000

Is this conversion exact?

The conversion factor between kilowatt-hours and joules is defined by international standards and is exact to at least 10 significant figures here.

Can I convert in the opposite direction?

Yes — use our Joules to Kilowatt-hours converter, or multiply your value by 2.7778e-7.

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