Isle of Man is about 236 times smaller than Arkansas.

Arkansas is approximately 134,856 sq km, while Isle of Man is approximately 572 sq km, making Isle of Man 0.42% the size of Arkansas. Meanwhile, the population of Arkansas is ~2.9 million people (2.8 million fewer people live in Isle of Man).
Tip: This to-scale comparison of Arkansas vs. Isle of Man uses the Mercator projection, which distorts the size of regions near the poles.