Utah is about 9 times bigger than New Hampshire.

New Hampshire is approximately 23,227 sq km, while Utah is approximately 212,751 sq km, making Utah 816% larger than New Hampshire. Meanwhile, the population of New Hampshire is ~1.3 million people (1.4 million more people live in Utah).
Tip: This to-scale comparison of New Hampshire vs. Utah uses the Mercator projection, which distorts the size of regions near the poles.