Free tools
IQ & Brain Tools
Free calculators and utilities to understand IQ scores and train your mind. More on the way.
Calculator
IQ Percentile Calculator
Enter an IQ score to convert it to a percentile on the standard scale (mean 100, standard deviation 15). See how rare it is and where it falls on the bell curve.
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Brain games
Quick, free mini-games — memory, reaction, mental math and a daily challenge with a streak.
Open →Want your real IQ?
Take the complete iqmetria test to get your IQ score and percentile.
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