Hong Kong is about 2.4 times smaller than Rhode Island.

Rhode Island is approximately 2,706 sq km, while Hong Kong is approximately 1,108 sq km, making Hong Kong 40.95% the size of Rhode Island. Meanwhile, the population of Rhode Island is ~1.1 million people (6.2 million more people live in Hong Kong).
Tip: This to-scale comparison of Rhode Island vs. Hong Kong uses the Mercator projection, which distorts the size of regions near the poles.