Converter group

Common Converters

Energy Converter

Value

From

Result

... Watt-second = ... Joule

Result

... Watt-second

... Joule

Value

FromTo

From Unit:

To Unit:

Use this page to convert watt-second values into joule, with background details, formulas, a worked example, and a quick conversion table.

1 Ws = 1 J

1 J = 1 Ws

Example: 120 Ws = 120 J

Watt-second (Ws) is represented in this converter as 1 joule.

History: Watt-second comes from electrical metering, mechanical power, fuel equivalence, or heating-energy practice.

Current use: Watt-second appears in electricity, heating, fuel analysis, batteries, and industrial energy reporting.

Also written as Ws.

A joule is the work done by a force of one newton through one meter.

History: It is named after James Prescott Joule.

Current use: Joules are used in physics, engineering, and energy calculations.

Also written as J, joules.