Arkansas is about 236 times bigger than Isle of Man.

Isle of Man is approximately 572 sq km, while Arkansas is approximately 134,856 sq km, making Arkansas 23,476% larger than Isle of Man. Meanwhile, the population of Isle of Man is ~91,382 people (2.8 million more people live in Arkansas).
Tip: This to-scale comparison of Isle of Man vs. Arkansas uses the Mercator projection, which distorts the size of regions near the poles.