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por lo tanto means therefore — a common term in Academic & Exam Prep. Learn how it's used in a real-world example.

📅 Published: July 2, 2025

🧠 Academic & Exam Prep

por lo tanto

adverb • /[por loh TAN-toh]/

therefore

Example:

El experimento falló, por lo tanto, se canceló la prueba.

The experiment failed; therefore, the test was canceled.

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🧠 What does por lo tanto mean?

Por lo tanto is a Spanish adverb that means "therefore" or "consequently." It's used to introduce a logical conclusion based on a preceding statement or argument. It signifies a cause-and-effect relationship between two ideas, adding a formal and structured tone to your writing or speech.

📚 Extra examples

  • Estudié mucho para el examen; por lo tanto, obtuve una buena calificación.
    I studied hard for the exam; therefore, I got a good grade.
  • No hay suficiente evidencia; por lo tanto, no podemos llegar a una conclusión.
    There isn't enough evidence; therefore, we cannot reach a conclusion.
  • El tráfico está terrible; por lo tanto, llegaremos tarde a la reunión.
    The traffic is terrible; therefore, we'll be late to the meeting.

❓ FAQ

How do you say 'therefore' in Spanish?
The most common and formal way to say 'therefore' in Spanish is 'por lo tanto.'
How do you pronounce 'por lo tanto' in Spanish?
It's pronounced por lo TAN-to. The stress falls on the last syllable of 'tanto.'
How do you use 'por lo tanto' in a sentence?
Use 'por lo tanto' to connect two clauses where the second is a consequence of the first. It usually comes after a semicolon or a period, followed by a comma. For example: 'El restaurante estaba lleno; por lo tanto, decidimos ir a otro.'
What is the English translation of 'por lo tanto'?
The English translation of 'por lo tanto' is 'therefore' or 'consequently.'
Does 'por lo tanto' change for gender or number?
No, 'por lo tanto' is an adverb and does not change its form.
Is 'por lo tanto' common in everyday Spanish?
While understood, it's more common in formal settings, academic writing, or presentations. In everyday conversations, simpler words like 'entonces' or 'así que' are more frequently used.
Does 'por lo tanto' have slang or double meanings?
No, 'por lo tanto' has a very straightforward meaning and no slang or double meanings associated with it.
Is 'por lo tanto' used differently in Spain vs Latin America?
No, the meaning and usage of 'por lo tanto' are consistent across both Spain and Latin America.

🔁 Synonyms & opposites of "por lo tanto"

Synonyms: así que, entonces, en consecuencia, por consiguiente

💡 Did You Know?

'Por lo tanto' is a great way to sound more sophisticated and academic in your Spanish. While 'entonces' and 'así que' are fine for daily chats, using 'por lo tanto' in essays or formal presentations shows a strong command of the language.

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