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Power

Just how powerful is 1 kilowatt?

Motors & machines

1 kW

Scale

ENERGY EACH SECOND

1 kilowatt

The quantity is exact as entered.

1 kWPower
0
Microwave input

The electrical power supplied to a microwave oven for heating food.

1.2 kWPower
0
Power is energy per unit time: one watt is one joule per second.

A little perspective

The power of a microwave input is about 1.2 times 1 kilowatt.

Measurements, assumptions & sources +

1 kilowatt

Power: 1 kW; definition.

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

Microwave input

Power: 1.2 kW; example.

A chosen 1,200 W electrical input. Cooking output can be lower.

Defined examples — our methodology

The marked power is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 1 kilowatt with the power of a microwave input. The notes below explain how each value was chosen.

1 kilowatt

1 kW

Power · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

Microwave input

1.2 kW

Power · example

A chosen 1,200 W electrical input. Cooking output can be lower.

Comparing
Power ↔ Power
Relative size
The power of a microwave input is about 1.2 times 1 kilowatt. The power of a microwave input is approximately 20% greater than 1 kilowatt.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • The power of a microwave input: This is an illustrative comparison value, not a claim that every example is the same.

Power is the rate of energy transfer or use, not the total energy.

1,000 Wwatts
1.341 hpmechanical horsepower

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