Fort Lauderdale is about 12 times smaller than Hong Kong.

Hong Kong is approximately 1,108 sq km, while Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, making Fort Lauderdale 8.12% the size of Hong Kong.
Tip: This to-scale comparison of Hong Kong vs. Fort Lauderdale uses the Mercator projection, which distorts the size of regions near the poles.