Free N-Back Test Online

Measure your working memory capacity with the scientifically validated N-Back test

What is the N-Back Test?

The N-Back test is a cognitive assessment tool used by researchers and psychologists to measure working memory capacity. During the test, you'll see a sequence of stimuli and must identify when the current stimulus matches the one from N steps back.

This test is widely used in cognitive psychology research and has been shown to be a reliable measure of working memory - a key component of fluid intelligence.

2-5 min
Test Duration
Free
No Sign-up Required
Instant
Results

How the N-Back Test Works

  1. 1You'll see squares appear in different positions on a 3x3 grid
  2. 2Remember the position from N steps back (e.g., 2 steps back for 2-Back)
  3. 3Press the button when the current position matches the one from N steps ago
  4. 4Get your accuracy score and see how your working memory compares

Why Take the N-Back Test?

  • Measure your baseline working memory capacity
  • Track improvement over time with regular training
  • Used in scientific research on cognitive enhancement
  • Completely free with no registration required