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Por vs. Para

English for hides two Spanish jobs. Use para when the phrase points toward a goal, endpoint, deadline, or intended recipient. Use por when it explains the reason, path, channel, exchange, or substitution behind an action.

Quick orientation

The clean first split

Do not start with memorized English phrases. Start by asking what job the prepositional phrase performs in the sentence.

Por explains the backstory

  • You mean because of something.
  • You mean through, by, or via.
  • You are naming an exchange, a rate, a replacement, or a duration.

Para points forward

  • You mean for the purpose of or in order to.
  • You are naming a recipient, beneficiary, or intended use.
  • You mean by a deadline or toward a destination.

Decision matrix

Translate the job, not the word

Question in context Use por when... Use para when...
Why did it happen? It names a cause or motive. No salimos por la lluvia. It names a purpose or goal. Estudio para aprender más.
Where is the action moving? It passes through, around, or along a place. Caminamos por el parque. It heads toward a destination. Salimos para Madrid.
Who benefits? It means for someone's sake or on someone's behalf. Lo hice por ti. It names the intended recipient. Este regalo es para ti.
How does it happen? It names the channel, means, or medium. Te lo mando por correo. It names the intended use. Es una mesa para trabajar.
What time frame matters? It describes a duration or approximate time. Viví allí por seis meses. It gives a deadline. El informe es para las cinco.

Core uses

High-frequency jobs to recognize first

Por

Cause por + noun / infinitive

No salimos por la lluvia.

We didn't go out because of the rain.

Duration por + span of time

Vivimos allí por dos años.

We lived there for two years.

Means / route por + place / medium

Te lo mando por correo.

I'll send it to you by mail.

Exchange por + amount

Lo compré por diez euros.

I bought it for ten euros.

Rate / per por + unit

Corro tres veces por semana.

I run three times a week.

Agent passive + por

Fue escrito por una autora chilena.

It was written by a Chilean author.

Replacement hacer algo por alguien

Trabajo por Ana hoy.

I'm working in Ana's place today.

Para

Purpose para + infinitive

Salió temprano para llegar a tiempo.

He left early in order to arrive on time.

Recipient para + person

Tengo una carta para Elena.

I have a letter for Elena.

Deadline para + date / time

La tarea es para mañana.

The assignment is due tomorrow.

Destination ir / salir + para

Vamos para Sevilla.

We're heading for Seville.

Viewpoint para + mí / nosotros

Para mí, esta opción es mejor.

For me, this option is better.

Standard para + noun / phrase

Para ser lunes, hay poca gente.

For a Monday, there are few people.

Meaning pairs

Close calls worth noticing

Reason vs. purpose

Lo castigaron por llegar tarde.

They punished him because he arrived late.

Salió temprano para llegar a tiempo.

He left early in order to arrive on time.

Por looks back to the motive; para looks ahead to the goal.

Route vs. destination

Pasamos por el centro.

We passed through downtown.

Salimos para Sevilla.

We left for Seville.

Por is the path traveled; para is the endpoint aimed at.

For someone's sake vs. intended for someone

Lo hice por ti.

I did it for your sake, because of you, or on your behalf.

Lo hice para ti.

I made it for you as the intended recipient.

Por ti is on your behalf or because of you; para ti means you receive it.

Duration vs. deadline

Viví allí por seis meses.

I lived there for six months.

Necesito el informe para las cinco.

I need the report by five.

Por answers how long; para answers by when.

Estar para vs. estar por

No estoy para bromas.

I'm not in the mood for jokes.

La cena está por servir.

Dinner is still to be served.

Estar para is ready for or in the mood for; estar por is still pending — or, in much of Latin America, about to happen.

Going to fetch vs. heading toward

Voy por pan.

I'm going to get bread.

Voy para casa.

I'm heading home.

Fetching an errand takes por (in Spain often ir a por); aiming at a destination takes para.

Set phrases

Fixed expressions to learn whole

These collocations do not follow the meaning logic above. Memorize each as a unit instead of parsing the preposition.

Por

por favor
please
por supuesto
of course
por fin
finally, at last
por eso
that's why
por ejemplo
for example
por lo menos
at least
por si acaso
just in case
por la mañana
in the morning (also la tarde, la noche)
gracias por
thanks for

Para

para siempre
forever
para nada
not at all
¿para qué?
what for?
no es para tanto
it's not such a big deal
para colmo
to top it all off
para variar
for a change
para llevar
(food) to go
estar listo para
to be ready to
faltar para
to be time left until

One spelling trap

Four look-alikes sound almost the same — keep them apart in writing.

¿por qué?
why? — in questions
porque
because — gives the answer
el porqué
the reason — a noun
por que
for which — rare, relative

When reading

Ask what job the phrase is doing

When a sentence uses por or para, look at the verb and the phrase after the preposition before translating.

Good first questions

  1. Does this phrase name a target, recipient, use, or deadline?
  2. Does it explain the cause, path, channel, exchange, or replacement?
  3. Would changing the preposition change the relationship, not just the translation?

Common traps

  • Estudio para aprender, not por aprender, when the meaning is purpose.
  • Por correo, por teléfono, and por el parque name a channel or path.
  • Para que introduces a purpose clause: Te escribo para que no se te olvide.