Shanghai is about 70 times bigger than Fort Lauderdale.

Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, while Shanghai is approximately 6,341 sq km, making Shanghai 6,946% larger than Fort Lauderdale.
Tip: This to-scale comparison of Fort Lauderdale vs. Shanghai uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.