Kilowatt-hour to Joule Converter

Enter a value to calculate the result instantly and free of charge.

kWh
3600000J

1 kWh = 3600000 J

Conversion summary

1 kWh = 3,600,000 J

Formula
Joule = Kilowatt-hour × 3,600,000
Category
Energy and Power
Units
kWhJ

How do you convert kilowatt-hour to joule?

To convert kilowatt-hour to joule, multiply the kilowatt-hour value by 3,600,000. One kWh is equal to 3,600,000 J.

Conversion formula

Joule = Kilowatt-hour × 3,600,000

Kilowatt-hour to Joule conversion table

Kilowatt-hourJoule
0.001 kWh3,600 J
0.01 kWh36,000 J
0.1 kWh360,000 J
0.5 kWh1,800,000 J
1 kWh3,600,000 J
2 kWh7,200,000 J
5 kWh18,000,000 J

What is Kilowatt-hour?

The kilowatt-hour is a widely used practical energy unit for electrical consumption.

Short history of Kilowatt-hour

It became central to utility metering and billing because it connects power and operating time in a convenient way.

Open the Kilowatt-hour unit guide

What is Joule?

The joule is the SI derived unit of energy. It is used for work, heat and energy quantities.

Short history of Joule

The joule became the standard SI reference for energy as mechanics and thermodynamics were unified in modern measurement.

Open the Joule unit guide

Frequently asked questions

How precise are the results?

Conversion results are calculated to 12 significant figures. Very large or very small values are shown in scientific notation.

Is the Kilowatt-hour to Joule converter free?

Yes. The conversion tool on BirimCeviri.app is free and requires no sign-up.

Sources

The definitions and conversion relationships on this page are aligned with standard metrology and SI reference material.

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: NIST Guide to the SI — Appendix B.8: Factors for Units Listed Alphabetically (horsepower, watt-hour dahil)
  3. NIST: Guide to the SI — Conversion Factors

Other languages

View the Turkish versionOpen the German version