Fort Lauderdale is about 1,976 times smaller than Oklahoma.

Oklahoma is approximately 177,847 sq km, while Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, making Fort Lauderdale 0.05% the size of Oklahoma.
Tip: This to-scale comparison of Oklahoma vs. Fort Lauderdale uses the Mercator projection, which distorts the size of regions near the poles.