What is watt?

The watt is the SI base unit of power. It is universally used to measure the rate of energy consumption or production in electrical appliances, engines, lighting, and virtually all power-related specifications.

What is milliwatt?

A milliwatt is a unit of power equal to one thousandth of a watt. It is used in low-power electronics, wireless communication systems, laser specifications, and medical device power ratings.

Worked examples

1 watt = 1,000 milliwatt

1 milliwatt = 0.001 watt

More Power conversions

• Convert watt to kilowatt
• Convert watt to horsepower (mechanical)
• Convert watt to megawatt
• Convert watt to gigawatt
• Convert watt to milliwatt
• Convert watt to microwatt
• Convert watt to BTU per hour
• Convert watt to kilocalorie per hour
• Convert watt to ton of refrigeration

Assumption: horsepower values use mechanical horsepower.