Arguably the most well-known and commonly used system of typing personality, MBTI is based on the way the human mind processes and reacts to other people and the world around them. I highly recommend that you look into cognitive functions afterwards to verify your type, as online testing can often be incorrect.

If you’ve ever seen those weird number combinations floating around tumblr (7w8, 6w5), you’ve encountered it before. There are nine main types, although you will end up having a “wing”, which is your second, complementary type.

This one’s probably the oldest, first coming into common use in the 5th century to type people based on–get this–people’s body fluids. Since then, we obviously know that people’s personalities are not based on biological makeup, but the typology itself still can be useful.

As the one agreed upon my most of psychological academia, this test is the one you should take if you’re going for scientific accuracy. It holds that there are only five completely distinct personality traits in people, which can be mixed on different levels to make every other personality trait.

Mainly used for self-help or aptitude, Multiple Intelligences tests the area where you’re smart, whether it be socially, linguistically or spatially, to name a few.

For all of you students wondering what to do for university, this one might be helpful for you! It tests your interests and aptitude in six different career areas and will give you a three-letter code of your top scoring areas.

Sure, it’s from Dungeons and Dragons, but it’s actually pretty interesting. There are two sets of alignments, the first being lawful, neutral, and chaotic, and the next being good, neutral, and evil. You’ll end up getting a combination of one from each set (e.g. chaotic good, neutral evil).

This one’s not as well-known, but worth taking nevertheless. It tests the way you show love or affection (platonic, romantic or otherwise) to people around you.

Just what it says on the tin. Basically, how self-confident are you?

If you’re a Harry Potter fan, chances are you’ve already taken this test: it sorts you into one of four Hogwarts houses. The most accurate test is at Pottermore, but I know some people are loathe to make an account just for a test, so the link above is satisfactory enough.

Yes, this test exists. There is actually a quantifiable amount of nerdiness you can have, and this test will show you exactly how much of it is in you.

“You’re the first girl I’ve dated that I’ve said sorry to.”

“If everything’s a first, then I’ll think of it as a good thing.”

“I like it because you are so positive.”

“Since you’re smiling, I’ll think of it as a good thing…”