City size comparison

compared to

Boulder is about 91 times smaller than Shanghai.

Shanghai is approximately 6,341 sq km, while Boulder is approximately 70 sq km, making Boulder 1.1% the size of Shanghai.
Tip: This to-scale comparison of Shanghai vs. Boulder uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boulder vs. Shanghai

Flip Comparison · See true size
See Boulder on top of Shanghai
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Cost of Living Comparison · 7 categories - 2026 data
Shanghai is 54.5% cheaper than Boulder
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