Grenada is about 4,306 times smaller than Alaska.

Alaska is approximately 1,481,348 sq km, while Grenada is approximately 344 sq km, making Grenada 0.02% the size of Alaska. Meanwhile, the population of Alaska is ~710,231 people (596,282 fewer people live in Grenada).
Tip: This to-scale comparison of Alaska vs. Grenada uses the Mercator projection, which distorts the size of regions near the poles.