Convert 1 Joule to Watt-hour (1 J to Wh)
Looking to convert 1 joule (J) to watt-hour (Wh)? This page provides the accurate result and a detailed explanation of how the conversion is done. Use this information to understand the relationship between Joule and Watt-hour and how to calculate conversions manually or using online tools.

Looking to convert 1 joule (J) to watt-hour (Wh)? This page provides the accurate result and a detailed explanation of how the conversion is done. Use this information to understand the relationship between Joule and Watt-hour and how to calculate conversions manually or using online tools.
What is Joule to Watt-hour Conversion?
Joule (J) and watt-hour (Wh) are both units used to measure energy, but they serve different purposes depending on the scale of the measurement. If you ever need to convert joule to watt-hour, knowing the exact conversion formula is essential.
J to wh Conversion Formula:
One Joule is equal to 0.000277777777777778 Watt-hour.
Formula: 1 J = 0.000277777777777778 Wh
By using this conversion factor, you can easily convert any energy from joule to watt-hour with precision.
Convert 1 Joule to Watt-hour
To convert 1 joule to watt-hour, multiply the value by 0.000277777777777778 since:
1 joule = 0.000277777777777778 watt-hour
So:
1 × 0.000277777777777778 = 0.000277777777777778
Result: 1 joule = 0.000277777777777778 watt-hour
Reverse Conversion
Need the reverse result? You can also convert watt-hour back to joule by dividing 0.000277777777777778:
0.000277777777777778 watt-hour ÷ 0.000277777777777778 = 1 joule
For more, visit: Watt-hour to Joule
Explore Related Conversion Tool
This page focuses specifically on converting 1 Joule to Watt-hour. If you're looking to convert a different value, you can use our general conversion tool:
Frequently Asked Questions
What is 1 joule in watt-hour?
1 joule is equal to 0.000277777777777778 watt-hour.
How do I convert joule to watt-hour?
Multiply the value in joule by 0.000277777777777778 to get the equivalent in watt-hour.