The 'watt' is a unit of power. A few of the things to watt it is equal are
-- 1 Joule per second
-- 1 Newton-meter per second
-- 0.001 kilowatt
-- (1/746) horsepwer (approx 0.00134 HP)
-- approx 3.412 BTU/hour
-- 1,000 milliwatts
-- +30 dBm
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