Lake Erie is about 2.2 times smaller than Lake Michigan.

Lake Michigan is approximately 57,750 km² (22,297 sq mi), while Lake Erie is approximately 25,744 km² (9,940 sq mi), making Lake Erie 44.58% the size of Lake Michigan.
Tip: This to-scale comparison of Lake Michigan vs. Lake Erie uses the Mercator projection, which distorts the size of regions near the poles.
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