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

Big Island of Hawaii is approximately 10,434 km² (4,029 sq mi), while Lake Erie is approximately 25,744 km² (9,940 sq mi), making Lake Erie 147% larger than Big Island of Hawaii.
Tip: This to-scale comparison of Big Island of Hawaii vs. Lake Erie uses the Mercator projection, which distorts the size of regions near the poles.
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