City size comparison

compared to

Shanghai is about 52 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Shanghai is approximately 6,341 sq km, making Shanghai 5,140% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Shanghai uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Shanghai vs. San Francisco

Flip Comparison · See true size
See Shanghai on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 2.9 times more expensive than Shanghai
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