por + infinitivevspara + infinitive
/por + een-fee-nee-TEE-voh/
/PAH-rah + een-fee-nee-TEE-voh/
💡 Quick Rule
Por = the cause/reason (why?). Para = the purpose/goal (what for?).
Think: Por is for the Past (the reason you started). Para is for the Purpose (the future goal you want to reach).
- The phrase 'gracias por + infinitive' always uses por, because you're thanking them for the 'reason' of their action.
- With verbs of motion (ir, venir, salir), 'para' is almost always used to show purpose: 'Salgo para comprar pan'.
📊 Comparison Table
| Context | por + infinitive | para + infinitive | Why? |
|---|---|---|---|
| Motivation vs. Goal | Luchó por defender sus derechos. | Estudió para defender sus derechos. | Por: The internal motivation was defending his rights. Para: The goal of his studies was to defend his rights. |
| Effort | Hizo todo por ganar. | Entrenó para ganar. | Por emphasizes the motivation behind the effort (he did it all *because of* his desire to win). Para emphasizes the specific action taken to achieve the goal. |
| Giving Thanks vs. Stating Purpose | Gracias por ayudarme. | Vine para ayudarte. | Por is used to give the reason for thanks. Para is used to state the purpose of your action (coming). |
✅ When to Use "por + infinitive" / para + infinitive
por + infinitive
Shows the reason, cause, or motivation for an action. It answers the question 'Why?'. Often means 'because of' or 'due to' doing something.
/por + een-fee-nee-TEE-voh/
Reason or cause
Lo multaron por conducir demasiado rápido.
They fined him for (because of) driving too fast.
Exchange
Te doy 20 dólares por limpiar el coche.
I'll give you $20 for (in exchange for) cleaning the car.
Something yet to be done
La casa está por limpiar.
The house is yet to be cleaned.
Expressing inclination or being about to do something
Estoy por llamarla ahora mismo.
I'm about to call her right now.
para + infinitive
Shows the purpose, goal, or intention of an action. It answers the question 'What for?'. It means 'in order to' do something.
/PAH-rah + een-fee-nee-TEE-voh/
Purpose or goal
Trabajo para ganar dinero.
I work in order to earn money.
A specific deadline
Este informe es para entregar el viernes.
This report is for turning in on Friday.
The intended recipient of an action
Compré flores para decorar la mesa.
I bought flowers (in order) to decorate the table.
An opinion or comparison
Para ser un principiante, hablas muy bien.
For being a beginner, you speak very well.
🔄 Contrast Examples
With "por + infinitive":
Trabajo por ganar más dinero.
I work because of (my desire for) earning more money.
With "para + infinitive":
Trabajo para ganar más dinero.
I work in order to earn more money.
The Difference: This is a subtle one where both are often correct. 'Por' focuses on the internal motivation or cause (the need for money drives me). 'Para' focuses on the objective or goal (my purpose for working is to get money). 'Para' is more common in this specific context.
With "por + infinitive":
Se esfuerza por ser un buen padre.
He strives out of a desire to be a good father.
With "para + infinitive":
Lee libros para ser un buen padre.
He reads books in order to be a good father.
The Difference: 'Por' describes the internal drive or motivation behind the general effort. 'Para' describes the purpose of a specific, concrete action taken to achieve that goal.
🎨 Visual Comparison
Split screen showing 'por + infinitive' (the reason for an action) vs 'para + infinitive' (the goal of an action).
Por + infinitive is the 'why' (the cause). Para + infinitive is the 'what for' (the goal).
⚠️ Common Mistakes
Estudio mucho por hablar español.
Estudio mucho para hablar español.
Speaking Spanish is the goal or purpose of studying, not the cause. Use 'para' for 'in order to'.
Gracias para invitarme.
Gracias por invitarme.
When thanking someone, you always use 'por'. You are giving the reason for your gratitude.
Necesito el dinero por comprar comida.
Necesito el dinero para comprar comida.
Buying food is the purpose for which you need the money. Use 'para' to express purpose.
📚 Related Grammar
Want to understand the grammar behind this pair? Explore these lessons for a deep dive:
🏷️ Key Words
✏️ Quick Practice
Quick Quiz: Por + Infinitive vs Para + Infinitive
Question 1 of 2
Which word correctly fills the blank? 'Ahorro dinero ___ viajar por el mundo.'
🏷️ Tags
Frequently Asked Questions
Can I just always think of 'para' as 'for'?
It's a helpful starting point, but it can be misleading. Both 'por' and 'para' can mean 'for' in English. It's much better to think of 'para' as 'in order to' when it's followed by a verb. This focuses on its meaning of purpose or goal, which is the key distinction.
Does the meaning change if I use the wrong one?
Yes, sometimes it can change the meaning or just sound incorrect. For example, 'Luché por ser libre' means you fought *out of a desire* to be free (the motivation). 'Luché para ser libre' means you fought *with the goal* of becoming free. The nuance is subtle but important.

