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Kilowatt-hour to Joule Converter

Convert Kilowatt-hour to Joule instantly — live results with exact conversion factors.

3600000 J

Answer

1 kilowatt-hour = 3600000 joules. To convert kWh to J, multiply by 3600000.

Quick Reference Table

Kilowatt-hour (kWh) Joule (J)
1 3600000
2 7200000
5 18000000
10 36000000
20 72000000
50 180000000
100 360000000
250 900000000
500 1800000000
1000 3600000000

Formula

Convert Kilowatt-hour (kWh) to Joule (J) using the relationship: 

J = kWh × 3600000

How to Convert

  1. Take the value in kilowatt-hours (kWh).
  2. Multiply it by 3600000 (the conversion factor from kWh to J).
  3. The result is the equivalent value in joules (J).
  4. Example: 1 kWh = 3600000 J.

Reverse Conversion

Need it the other direction? Joule to Kilowatt-hour conversion.

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FAQ

▸ How many joules are in 1 kilowatt-hour?

1 Kilowatt-hour equals 3600000 joules. Multiply by 3600000 to convert kWh to J.

▸ What is the formula to convert kilowatt-hour to joule?

Multiply the value in kilowatt-hours by 3600000 to get joules. Formula: J = kWh × 3600000.

▸ How do I convert kilowatt-hours to joules easily?

Enter your value in the converter at the top of this page — the joules result updates live as you type. You can also multiply by 3600000 directly.