Spanish -  · Updated July 2026

How to Say By in Spanish - Master the Preposition 'Por'

Updated for 2026, understanding how to say "by" in Spanish is crucial for mastering this versatile preposition. In English, the word "by" indicates the agent performing an action or the means by which something is done. In Spanish, you use "por" (IPA: /pɔr/) to convey similar meanings.

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Understanding "By" in Spanish: The Word 'Por'

The word "por" is a preposition in Spanish that can be used to express causation, duration of time, method of communication or transportation, rate or exchange, place or location, and gratitude or apology. Here are some common uses:

Meaning and Usage of 'Por'

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  • Expressing causation or reason:
    • Lo hice por amor.

    (I did it out of love).

  • Expressing duration of time:
    • Estuvo en el parque por dos horas.

    (He was in the park for two hours.)

  • Expressing a method of communication or transportation:
    • Prefiero hablar por teléfono.

    (I prefer to talk on the phone.)

  • Expressing a rate or exchange:
    • Te compro el coche por $5000.

    (I'll buy your car for $5000.)

  • Expressing a place or location:
    • Pasa por mi casa a las 7.

    (Stop by my house at 7.)

  • Expressing gratitude or apology:
    • Gracias por tu ayuda.

    (Thank you for your help.)

Note that the pronunciation of "por" is consistent across these meanings, but its usage and accompanying words can vary based on context.

Examples of 'Por' in Formal Writing

In formal writing, "por" often appears in contexts such as legal documents or academic papers. For example:

  • El contrato fue firmado por ambas partes el día 15 de marzo.

(The contract was signed by both parties on March 15th.)

Comparison with Other Languages Like French or Italian

In other languages, the equivalent of "por" can vary. In French, you might use "par", and in Italian, "per". However, these words have different nuances compared to Spanish.

Common Mistakes When Using 'Por'

Learners often confuse "por" with other prepositions like "para," which means "for." For example:

  • Mis amigos vinieron para ayudarme.

(My friends came to help me.)

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