South Georgia and South Sandwich Islands is about 3 times smaller than Qatar.

Qatar is approximately 11,586 sq km, while South Georgia and South Sandwich Islands is approximately 3,903 sq km, making South Georgia and South Sandwich Islands 33.69% the size of Qatar.
Tip: This to-scale comparison of Qatar vs. South Georgia and South Sandwich Islands uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: South Georgia and South Sandwich Islands vs. Qatar