Utah is about 7 times smaller than Alaska.

Alaska is approximately 1,481,348 sq km, while Utah is approximately 212,751 sq km, making Utah 14.36% the size of Alaska. Meanwhile, the population of Alaska is ~710,231 people (2.1 million more people live in Utah).
Tip: This to-scale comparison of Alaska vs. Utah uses the Mercator projection, which distorts the size of regions near the poles.