Lake Michigan is about 2.2 times bigger than Lake Erie.

Lake Erie is approximately 25,744 km² (9,940 sq mi), while Lake Michigan is approximately 57,750 km² (22,297 sq mi), making Lake Michigan 124% larger than Lake Erie.
Tip: This to-scale comparison of Lake Erie vs. Lake Michigan uses the Mercator projection, which distorts the size of regions near the poles.
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