Watt-hour to Joule Converter (Wh to J)

How to Convert Watt-hour to Joule

Formula: Joule = Watt-hour × 3600

Example: 1 Wh = 3600 J

You can also use the interactive converter above. Simply enter any Watt-hour value and the equivalent Joule value will appear instantly. Click the ⇄ button to reverse the conversion.

Here is a closer look at what Watt-hour and Joule are used for, plus answers to the questions people ask most about this conversion.

What is Watt-hour and Joule?

A Watt-hour (Wh) is a small electrical energy unit equal to one-thousandth of a kilowatt-hour.

A Joule (J) is the SI unit of energy, used as the scientific standard for measuring work and heat.

Real World Uses of Watt-hour to Joule Conversion

• Watt-hour: Commonly used for rating phone, laptop and power bank battery capacity.
• Joule: Commonly used for measuring electrical and mechanical energy in engineering.

Frequently Asked Questions

What is the formula to convert Watt-hour to Joule?

The formula is: Joule = Watt-hour x 3600. Multiply any Watt-hour value by 3600 to get the equivalent in Joule.

What is 1 Watt-hour in Joule?

1 Wh = 3600 J.

How many Watt-hour are in 1 Joule?

1 J = 0.000277777777777778 Wh.

Is Watt-hour bigger or smaller than Joule?

Watt-hour is bigger than Joule. 1 Watt-hour = 3600 J.