Does tres ever change form?

Tres is invariable in every context. Unlike uno (which becomes una before feminine nouns), tres stays tres regardless of the gender or number of the noun it modifies: tres mesas, tres libros.

How do I say thirteen and thirty in Spanish?

Thirteen is trece and thirty is treinta. Both are derived from tres but have their own unique spellings and pronunciations.

What is the ordinal form of tres?

The ordinal is tercero (masculine) or tercera (feminine). Before a masculine singular noun, tercero drops the final -o and becomes tercer, as in el tercer capítulo (the third chapter).

Spanish vocabulary · Beginner

How to Say Three in Spanish

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

Tres · noun · trehs

Tres is the Spanish cardinal number for three. Unlike some numbers that change form based on gender (like uno/una), tres stays the same regardless of the noun it modifies. The ordinal form tercero (third) does change: tercero (masc.), tercera (fem.), and it shortens to tercer before a masculine singular noun.

trehs (rhymes with the English word less)

Tengo tres hermanos mayores.

I have three older brothers.

Three in Spanish: Quick Reference

Below are the most common Spanish words for three, with pronunciation and regional usage notes.

Spanish	English	Pronunciation	Region / Register
tres	three	trehs	Default, widely understood
tercero	three		ordinal form, meaning third

How Native Speakers Use Tres

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

Counting items

Quiero tres manzanas, por favor.

I want three apples, please.

Tres does not change form for gender or number—it is always tres.

Telling time

Son las tres de la tarde.

It's three in the afternoon.

When telling time, las tres refers to three o'clock.

Using the ordinal

Vivo en el tercer piso.

I live on the third floor.

Tercero shortens to tercer before a masculine singular noun like piso.

Avoid These Mistakes When Using Tres

Adding an accent mark

Incorrect: Necesito trés boletos.

Correct: Necesito tres boletos.

Tres is a monosyllabic word and does not carry a written accent in standard Spanish. Adding one is a common spelling error.

Confusing cardinal and ordinal

Incorrect: Es mi tres vez aquí.

Correct: Es mi tercera vez aquí.

To say third (ordinal), use tercero/tercera, not tres (cardinal). Tres only means the number three.

Lock in Three 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 Tres used by native speakers

Parrot's short-form videos feature native speakers using tres in real situations. Context-based exposure beats flashcards, you hear Tengo tres hermanos mayores. 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 Three in Spanish

Does tres ever change form?: Tres is invariable in every context. Unlike uno (which becomes una before feminine nouns), tres stays tres regardless of the gender or number of the noun it modifies: tres mesas, tres libros.
How do I say thirteen and thirty in Spanish?: Thirteen is trece and thirty is treinta. Both are derived from tres but have their own unique spellings and pronunciations.
What is the ordinal form of tres?: The ordinal is tercero (masculine) or tercera (feminine). Before a masculine singular noun, tercero drops the final -o and becomes tercer, as in el tercer capítulo (the third chapter).