Big Island of Hawaii is about 2.5 times smaller than Lake Erie.

Lake Erie is approximately 25,744 km² (9,940 sq mi), while Big Island of Hawaii is approximately 10,434 km² (4,029 sq mi), making Big Island of Hawaii 40.53% the size of Lake Erie.
Tip: This to-scale comparison of Lake Erie vs. Big Island of Hawaii uses the Mercator projection, which distorts the size of regions near the poles.
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