Lake Superior is about 3 times smaller than Great Lakes.

Great Lakes is approximately 243,839 km² (94,147 sq mi), while Lake Superior is approximately 82,350 km² (31,795 sq mi), making Lake Superior 33.77% the size of Great Lakes.
Tip: This to-scale comparison of Great Lakes vs. Lake Superior uses the Mercator projection, which distorts the size of regions near the poles.
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