Hawaii is about 1.8 times smaller than Belgium.

Belgium is approximately 30,528 sq km, while Hawaii is approximately 16,635 sq km, making Hawaii 54.49% the size of Belgium. Meanwhile, the population of Belgium is ~11.8 million people (10.5 million fewer people live in Hawaii).
Tip: This to-scale comparison of Belgium vs. Hawaii uses the Mercator projection, which distorts the size of regions near the poles.
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