Saber vs. conocer: two ways to say “to know”

Like “to be,” the English verb “to know” splits into two verbs in Spanish. Saber is about knowing facts and knowing how to do something. Conocer is about being familiar with a person, a place, or a thing. Once you see the difference, the choice is usually easy.

The present tense forms

• Saber: yo sé, tú sabes, él/ella/usted sabe, nosotros sabemos, vosotros sabéis, ellos/ustedes saben
• Conocer: yo conozco, tú conoces, él/ella/usted conoce, nosotros conocemos, vosotros conocéis, ellos/ustedes conocen

Both have an irregular yo form. Sé takes an accent to tell it apart from the word se, and conozco follows the same -zco pattern as parecer (parezco) and conducir (conduzco). Every other form is regular.

Use saber for facts and skills

• Facts and information: Sé la respuesta. No sé su nombre.
• Information introduced by a question word: Sé dónde vive. Ella sabe cuándo empieza la clase.
• That something is true: Sé que tienes razón.
• How to do something, followed by an infinitive: Sé nadar. Mi abuelo sabe tocar la guitarra.

A good test: if you could replace “know” with “know how to” or “know that,” choose saber.

Use conocer for familiarity

• People you are acquainted with: Conozco a tu hermana.
• Places you have been to or are familiar with: Conozco Barcelona. ¿Conoces este parque?
• Things you are familiar with, such as songs, books, or restaurants: Conocemos esa canción. Ella conoce un buen restaurante.

Here the test is whether you could say “be familiar with” or “be acquainted with.” If so, choose conocer.

The personal a

When the thing you know is a specific person, Spanish adds a small word a before it: Conozco a María. This “personal a” is not used for places or objects, so you say Conozco Madrid and Conozco ese libro, with no a. It is also used when you are asking about a person: ¿Conoces a mi profesor?

Side by side

The difference becomes clearer when both verbs describe the same situation:

• Sé quién es el presidente, pero no lo conozco. I know who the president is, but I do not know him personally.
• Sé dónde está el museo. I know where the museum is. Conozco el museo. I have been there and know it.
• Sé esta canción de memoria. Conozco esta canción. The first means you can sing it from memory, the second means you are familiar with it.

Meaning shifts in the past

In the preterite, both verbs take on a new meaning. Conocí a Luis en 2019 means “I met Luis in 2019,” the moment you first became acquainted. Supe la verdad ayer means “I found out the truth yesterday.” You will see this often in stories and conversation.

Another meaning of saber

When followed by a, saber means “to taste like”: Esta sopa sabe a ajo (this soup tastes like garlic). It is a useful expression and a good reminder that one verb can carry several meanings.

Common mistakes

• Wrong: Yo sé María. Right: Conozco a María. People use conocer with the personal a.
• Wrong: Conozco nadar. Right: Sé nadar. Skills use saber plus an infinitive.
• Wrong: Conozco la respuesta. Right: Sé la respuesta. Answers are facts.

A practice idea

Make a three-column list: people and places you know (conocer), facts you know (saber), and things you know how to do (saber plus an infinitive). Writing sentences about your own life, such as Conozco la biblioteca de mi ciudad or Sé cocinar arroz, is a quick way to make the difference stick.

How native speakers think about it

Spanish speakers do not stop and consult a rule each time they use these verbs. They have a feeling for the difference: saber is about holding information or ability in your head, while conocer is about having met, visited, or experienced something. If you can picture a person, a place, or a thing, you probably want conocer. If you could write down the fact or perform the skill, you probably want saber. Building that feeling takes practice, which is why short, personal sentences work so well.

Questions you will hear

These verbs show up constantly in everyday questions. ¿Sabes dónde está la biblioteca? asks whether you know where something is, while ¿Conoces la biblioteca? asks whether you have been there. ¿Sabes hablar español? asks about your skill, and ¿Conoces a mi profesor? asks whether you have met him. Notice how a small change of verb completely changes what is being asked, and how the personal a appears only when the object is a person.

Using them in the game

As you collect cards, test yourself with both verbs. When you pick up a country, say Conozco México if you have visited it or Quiero conocer México if you hope to. When you pick up a verb card like nadar or cocinar, say whether you know how to do it: Sé nadar, No sé cocinar. Short sentences like these tie the grammar to the vocabulary you are already collecting, so the practice never feels like a separate chore.

Keep learning

Ser vs. estar · Spanish verbs · Common mistakes · Full vocabulary list · All guides