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Joule to Watt-hour

Convert measurements between Joule and Watt-hour.

Common conversions

100J = 0.0278 Wh
500J = 0.1389 Wh
1000J = 0.2778 Wh
2400J = 0.6667 Wh
3200J = 0.8889 Wh
5500J = 1.5278 Wh

Conversion information

1 Joule = 0.000277778 Watt-hour

SI unit of energy, equals one newton meter.
Energy transferred by one watt for one hour.

Frequently Asked Questions

What is a joule?
It is the basic unit of energy in the International System, equal to the energy transferred when a force of one newton moves an object one meter.
Where is the joule used?
It is used in physics, engineering, and chemistry to measure energy, work, and heat.
What does the watt-hour measure?
It measures the amount of energy consumed or generated in one hour by a one-watt device.
Where is the watt-hour used?
In electricity, for billing and consumption of electrical devices.

Other energy conversions

Joule a Kilojoule Joule a Kilowatt-hour Joule a Kilocalorie Joule a Food Calorie Joule a BTU Kilojoule a Joule Kilojoule a Watt-hour Kilojoule a Kilowatt-hour Kilojoule a Kilocalorie Kilojoule a Food Calorie Kilojoule a BTU Watt-hour a Kilojoule Watt-hour a Kilowatt-hour Watt-hour a Kilocalorie Watt-hour a Food Calorie Watt-hour a BTU Kilowatt-hour a Joule Kilowatt-hour a Kilojoule Kilowatt-hour a Watt-hour Kilowatt-hour a Kilocalorie Kilowatt-hour a Food Calorie Kilowatt-hour a BTU Kilocalorie a Joule Kilocalorie a Kilojoule Kilocalorie a Watt-hour Kilocalorie a Kilowatt-hour Kilocalorie a Food Calorie Kilocalorie a BTU Food Calorie a Joule Food Calorie a Kilojoule Food Calorie a Watt-hour Food Calorie a Kilowatt-hour Food Calorie a Kilocalorie Food Calorie a BTU BTU a Joule BTU a Kilojoule BTU a Watt-hour BTU a Kilowatt-hour BTU a Kilocalorie BTU a Food Calorie