Milliwatt The milliwatt is equal to one thousandth of a watt. A typical laser pointer outputs about five milliwatts of light power, whereas a typical hearing aid for people uses less than one milliwatt. References to mW appear in courses: Related CoursesRelated CoursesRelated Courses SP6700Microwave Path Engineering FundamentalsMore Info SP3000Structured Cabling Infrastructure DesignMore Info SP3321SYSTIMAX Design & EngineeringMore Info SP3351SYSTIMAX MasterClassMore Info