Micronesia, Federated States of is about 6 times smaller than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Micronesia, Federated States of is approximately 702 sq km, making Micronesia, Federated States of 17.99% the size of South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Micronesia, Federated States of uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Micronesia, Federated States of vs. South Georgia and South Sandwich Islands