Lake Superior is about 3.2 times bigger than Lake Erie.

Lake Erie is approximately 25,744 km² (9,940 sq mi), while Lake Superior is approximately 82,350 km² (31,795 sq mi), making Lake Superior 220% larger than Lake Erie.
Tip: This to-scale comparison of Lake Erie vs. Lake Superior uses the Mercator projection, which distorts the size of regions near the poles.
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