The main uses of uno and un

We use un Artículos indefinidos

  • Before masculine singular nouns.

Javier Bardem es un actor muy famoso.

Javier Bardem is a very famous actor.

Necesito un teléfono nuevo.

I need a new phone.

  • Before feminine singular nouns beginning with a stressed a- or ha-.

Tomaré un agua con gas.

I'll have a sparkling water.

Tengo un hambre horrible.

I'm terribly hungry (literally "I have a horrible hunger").

We use uno:

  • To replace a masculine singular noun that has already been mentioned or is implicit. 

Voy a tomar un café, ¿quieres uno? (uno = un café).

I'm going to have a coffee – do you want one? (one = a coffee)

  • Before the preposition de (of) to refer to a member of a set/group or to a date.

Él es uno de mis hermanos.

He is one of my brothers.

Nos vamos de vacaciones el uno de agosto.

We're off on vacation on the first of August.

  • After a masculine singular noun.

Comienzo a trabajar el día uno del próximo mes.

I start work on the first day (literally "the day one") of next month.

  • Before a verb in the 3rd person singular to make a generalization or express an opinion in a neutral way. 

Uno ya no sabe qué pensar.

One doesn't know what to think.

We use unos (some, a few):

  • Before masculine plural nouns.

El próximo mes tengo unos días de vacaciones.

Next month I have a few days' vacation.

  • To replace a masculine plural noun that has already been mentioned or is implicit.

Hay muchos niños en el parque; unos gritan más que otros (unos = algunos niños).

There are lots of children at the park; some yell more than others (some = some children).

Still facing difficulties with 'The main uses of uno and un'? Learn and enhance your Spanish grammar through our online Spanish course. Start with a free test and improve today!

What our users say:



I enjoy doing my online Spanish lessons. Only ten minutes daily are enough...Thank you!



I love your innovative method which allows me to learn a new language and have fun at the same time!



Your method is unique! Your courses have helped me to progress and gain confidence during my travels.



Gymglish has allowed me to improve my Spanish. A daily routine I wouldn't miss for anything in the world!

More testimonials.

Improve your Spanish further and test Hotel Borbollón, online Spanish lessons.