What is the highest IQ possible?

Theoretically, there’s no upper limit to an IQ score. Who has the honor of the highest score isn’t entirely clear. Though there are many claims of super-high IQs, documentation is hard to come by. The fact that IQ tests have changed quite a bit over the years makes it difficult to compare results from different eras.

Who has 400 IQ?

2. Albert Einstein. Albert Einstein was a German-born theoretical physicist and philosopher of science whose estimated IQ scores range from 205 to 225 by different measures.

What is Albert Einstein’s IQ?

160