Isle of Man is 0.18 times as big as Rhode Island (US)
The Isle of Man, (or Mann), is a self-governing British Crown dependency situated in the Irish Sea between Great Britain and Ireland.
Rhode Island, officially the State of Rhode Island is a state in the New England region of the United States. It is the smallest U.S. state by area and the seventh least populous (1,059,361 as of 2019), but it is also the second most densely populated behind New Jersey. The state has land borders with Connecticut to the west, Massachusetts to the north and east, and the Atlantic Ocean to the south via Rhode Island Sound and Block Island Sound. It also shares a small maritime border with New York.