Laptop in use
50 W - Power; example.
The electrical power consumed by a laptop computer while in active use.
A chosen 50 W electrical draw. Workload affects actual consumption.
Defined examples — our methodologyThe power of an electric kettle is about 60 times the power of a laptop in use. Selected basis: an example for Laptop in use; an example for Electric kettle; approximate values.
ENERGY EACH SECOND
Power is energy per unit time: one watt is one joule per second.
50 W - Power; example.
The electrical power consumed by a laptop computer while in active use.
A chosen 50 W electrical draw. Workload affects actual consumption.
Defined examples — our methodology3 kW - Power; example.
The electrical power used by an electric kettle to heat water.
A chosen 3,000 W input. Power is the rate of energy transfer.
Defined examples — our methodologyThere’s always another scale
Side by side

Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scaleGot a good eye for scale?