How to Say "Do You Promise?" in Spanish

¿lo prometes?

In Spanish, 'do you promise?' is translated as ¿lo prometes?

This phrase is used to ask someone for a formal or informal guarantee that they will do or keep something.

Which one should you use?

You can use ¿Me lo prometes? specifically to say 'do you promise me?'

In Spain, if you are asking a group of people whom you know well to promise something, use ¿lo prometéis?

The plural informal form ¿lo prometéis? is used specifically when addressing a group of acquaintances in Spain.

A common way to respond and confirm your guarantee is to say Lo prometo.

The word promesa can also be used as a noun to describe a person who shows great potential, such as calling a talented young athlete una promesa del deporte.
In some religious contexts in Spain and Latin America, a promesa is not just a word but a formal vow made to a saint, often involving a physical pilgrimage or sacrifice.
While ¿lo prometes? is the standard question, some speakers might use ¿lo juras? to elevate a promise to an oath, which carries a legal or spiritual weight that prometer does not.

Señor López, ¿promete usted llegar a tiempo a la reunión?
Mr. López, do you promise to arrive on time for the meeting?
¿Prometes que guardarás el secreto?
Do you promise to keep the secret?
¿Me lo juras por nuestra amistad?
Do you promise me, based on our friendship?
Señor González, ¿podría prometerme que entregará el informe mañana por la mañana?
Mr. González, could you promise me that you'll deliver the report tomorrow morning?
Hermano, ¿prometes que siempre estaremos ahí el uno para el otro?
Brother, do you promise that we'll always be there for each other?
No me vas a mentir, ¿lo prometes?
You aren't going to lie to me, do you promise?
No me digas mentiras, ¿lo prometes?
Don't tell me lies, do you promise?
Si me ayudas, ¿lo prometes?
If you help me, do you promise it?

Elena and Javier are discussing a secret.

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