Wisconsin is about 36 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Wisconsin is approximately 140,663 sq km, making Wisconsin 3,504% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Wisconsin uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Wisconsin vs. South Georgia and South Sandwich Islands