Rhode Island is about 1.9 times smaller than Trinidad and Tobago.

Trinidad and Tobago is approximately 5,128 sq km, while Rhode Island is approximately 2,706 sq km, making Rhode Island 52.77% the size of Trinidad and Tobago. Meanwhile, the population of Trinidad and Tobago is ~1.4 million people (353,079 fewer people live in Rhode Island).
Tip: This to-scale comparison of Trinidad and Tobago vs. Rhode Island uses the Mercator projection, which distorts the size of regions near the poles.