How do you say thirty in Spanish?

The number thirty is treinta, spelled with the diphthong -ei- and pronounced as three syllables: TREH-een-tah.

How do you form numbers from 31 to 39 in Spanish?

Numbers 31-39 are formed with treinta y + single digit: treinta y uno (31), treinta y dos (32), treinta y tres (33), and so on through treinta y nueve (39).

How do you say 30 minutes in Spanish?

Thirty minutes is treinta minutos, and for telling time you can say y treinta or y media (and a half), as in las tres y treinta or las tres y media for 3:30.

Spanish vocabulary · Beginner

How to Say Thirty in Spanish: Treinta

Written by Sofia Ramirez, Lead Spanish Curriculum Editor · Reviewed May 2026

Treinta · noun (masculine) · TREH-een-tah

Thirty in Spanish is treinta, the number 30, used in counting, telling time, and everyday quantities.

Treinta is TREH-een-tah, three syllables with stress on TREH.

Hay treinta estudiantes en mi clase de español.

There are thirty students in my Spanish class.

How Native Speakers Use Treinta

Real example sentences across three contexts you'll actually run into.

Telling time

Son las dos y treinta de la tarde.

It's two thirty in the afternoon.

Telling time with treinta for the half hour.

Age reference

Cumplí treinta años el mes pasado.

I turned thirty last month.

Talking about age.

Counting items

Pedimos treinta sillas para el evento.

We ordered thirty chairs for the event.

Planning and quantities.

Avoid These Mistakes When Using Treinta

Spelling error

Incorrect: Hay trenta personas aquí.

Correct: Hay treinta personas aquí.

The correct spelling is treinta with the -ei- diphthong, not trenta.

Compound number error

Incorrect: Treinta y un personas vinieron.

Correct: Treinta y una personas vinieron.

Before a feminine noun, uno becomes una: treinta y una personas, not treinta y un personas.

Lock in Thirty Vocabulary with the Parrot Method

Why word lists alone don't stick

Memorizing a translation feels productive, but most learners forget 70% of what they studied within 48 hours. Vocabulary needs spaced repetition AND real-world exposure to transfer to long-term memory.

See Treinta used by native speakers

Parrot's short-form videos feature native speakers using treinta in real situations. Context-based exposure beats flashcards, you hear Hay treinta estudiantes en mi clase de español. while watching someone live the moment, connecting meaning, sound, and rhythm at once.

Save, review, repeat, stay consistent

Tap any word to save it. Parrot's spaced-repetition system surfaces it right before you'd forget, no manual flashcard creation. The watch, parrot back, save, review cycle turns recognition into fluency at 2.7x the speed of traditional study.

Common Questions About Thirty in Spanish

How do you say thirty in Spanish?: The number thirty is treinta, spelled with the diphthong -ei- and pronounced as three syllables: TREH-een-tah.
How do you form numbers from 31 to 39 in Spanish?: Numbers 31-39 are formed with treinta y + single digit: treinta y uno (31), treinta y dos (32), treinta y tres (33), and so on through treinta y nueve (39).
How do you say 30 minutes in Spanish?: Thirty minutes is treinta minutos, and for telling time you can say y treinta or y media (and a half), as in las tres y treinta or las tres y media for 3:30.