Big Five Compatibility Test - Personality & Statistics

Scores draw on the Big Five personality model, peer-reviewed research such as the Malouff et al. meta-analysis (19 samples, 3,848 participants), and public statistics on age gaps. See the methodology page for details.

About 2-3 minutes. You rate ten short personality items (five for each partner) on a five-point scale; name, gender, birth year, blood type, and zodiac sign are all optional.

Not on our servers. The entire analysis runs in your browser, and running it sends none of your input to our servers. Your input is saved only in your browser (on this device) so you do not have to re-enter it on a return visit, and you can delete it at any time with the Reset button on the form. If you create a share link for your result, the result data is included in the link URL.

They are optional reference items included for cultural context. Large-scale surveys have found no statistically significant link between blood type and personality, and the scientific core of this assessment is the Big Five. You can run the test without entering them.

The results are reference information based on group-level statistical tendencies reported in psychological research. They cannot predict or guarantee the outcome of any individual relationship, so treat them as a starting point for conversation.

Completely free, with no signup or email required. You can retake it as many times as you like.