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Numbers in Spanish: 0 to a million, ordinals, prices, phone numbers and years

There are a few patterns in Spanish numbers, and once you have the patterns you can say any number up to a million. The words are the same in Mexico, Spain, Colombia and Argentina. What changes is how prices are written, how phone numbers are read out and the slang for money.

The numbers

English Spanish Notes
0 cero
1 uno un before a masculine noun, una before a feminine one
2 dos
3 tres
4 cuatro
5 cinco SEEN-koh in Latin America, THEEN-koh in most of Spain
6 seis One syllable, like “sayss”
7 siete
8 ocho
9 nueve
10 diez
11 once ON-seh. Nothing to do with the English word
12 doce
13 trece
14 catorce
15 quince KEEN-seh
16 dieciséis One word, with an accent
17 diecisiete
18 dieciocho
19 diecinueve
20 veinte BAYN-teh. The v sounds like a soft b
21 veintiuno veintiún before a masculine noun
22 veintidós Accent
23 veintitrés Accent
24 veinticuatro
25 veinticinco
26 veintiséis Accent
27 veintisiete
28 veintiocho
29 veintinueve
30 treinta
31 treinta y uno From 31 up, three words
40 cuarenta
50 cincuenta
60 sesenta
70 setenta Sesenta and setenta are easy to mix up when heard fast
80 ochenta
90 noventa
100 cien
101 ciento uno
200 doscientos doscientas before a feminine noun
300 trescientos
400 cuatrocientos
500 quinientos Irregular
600 seiscientos
700 setecientos Irregular, no siete-
800 ochocientos
900 novecientos Irregular, no nueve-
1,000 mil Never un mil
2,000 dos mil Mil does not take a plural here
10,000 diez mil
100,000 cien mil
1,000,000 un millón
2,000,000 dos millones No accent in the plural
1,000,000,000 mil millones An English billion
1,000,000,000,000 un billón A million million

What trips learners up

Uno changes before a noun. You count uno, dos, tres, but you have un libro, una casa, veintiún años, treinta y un días. Before a feminine noun you will see both veintiuna personas and veintiún personas. Both are accepted, and veintiuna is the safer choice.

Sixteen to twenty-nine are one word. Dieciséis, veintitrés, veintiocho. From thirty on, the tens and the units are joined by y: treinta y cinco, noventa y nueve. The y only ever sits between tens and units. So 132 is ciento treinta y dos, never ciento y treinta y dos.

The accents go where the stress is. Dieciséis, veintidós, veintitrés, veintiséis and veintiún have one because the stress falls on the last syllable. Diez, seis and tres are one syllable on their own and have none.

Cien or ciento. Use cien on its own and directly before a noun or before mil and millones: cien euros, cien mil, cien millones. Use ciento when more digits follow: ciento diez, ciento cincuenta pesos.

The hundreds change for gender. Doscientos hombres, doscientas mujeres. Quinientas páginas. This is the one place where a number above one changes for gender.

Mil is plain, millón is a noun. Tres mil personas has no de. You need it in tres millones de personas, because millón is a noun, like docena. If more digits follow, the de goes: un millón doscientos mil euros. Miles de means “thousands of”.

A billion is not un billón. English “billion” is mil millones. Un billón is a thousand times bigger.

The th sound in Spain. In most of Spain, c before e or i and every z is said like the “th” in “think”. So cinco, doce, trece, diez and cien all have that sound. In Latin America people say an s.

Ordinals

English Spanish Notes
first primero, primera primer before a masculine noun: el primer día
second segundo
third tercero, tercera tercer before a masculine noun: el tercer piso
fourth cuarto Also “quarter” and “room”
fifth quinto
sixth sexto
seventh séptimo Also spelled sétimo, rarely
eighth octavo
ninth noveno
tenth décimo

Ordinals change to match the noun: la primera vez, los primeros días. They are written 1.º, 1.ª, 1.er on signs and forms.

Above ten, people switch to the cardinal numbers. El piso quince, el siglo veintiuno, Alfonso XIII read as Alfonso trece. Forms like vigésimo exist and appear in formal writing, but in speech they sound stiff.

Floors are counted differently. In Mexico, Spain and Argentina the ground floor is la planta baja, and el primer piso is one floor up. In Colombia el primer piso is usually the ground floor. Older buildings in Spain can also have an entresuelo and a principal between the ground and the first floor.

Prices and money

You want to say Spanish Notes
How much is it? ¿Cuánto es? / ¿Cuánto cuesta? Everywhere
Three euros fifty Tres euros con cincuenta or tres cincuenta Spain. The short form is the usual one
Twenty-five pesos Veinticinco pesos Mexico, Colombia, Argentina
Fifty cents cincuenta céntimos (Spain), cincuenta centavos (Mexico, Argentina)
Twelve thousand pesos doce mil pesos or doce mil Colombia and Argentina prices often run into the thousands
Half price a mitad de precio
Twenty percent off veinte por ciento de descuento

In Mexico, Colombia and Argentina the $ sign is used for the peso, so $200 on a menu means pesos. In Spain it is the euro, with the sign after the number: 3,50 €.

The decimal mark changes too. In Spain, Colombia and Argentina people write 1.500,75, with a point for thousands and a comma for decimals. In Mexico it is 1,500.75, as in English. A price of $12.000 in Bogotá is twelve thousand pesos.

Regional differences

Mexico Spain Colombia Argentina
Mobile phone el celular or el cel el móvil el celular or el cel el celular or el celu
A thousand (slang) una luca una luca
A million (slang) un palo un palo
Money (slang) la lana, el varo la pasta la plata la plata, la guita
A euro, a peso (slang) un varo un pavo
100 percent cien por ciento cien por cien cien por ciento cien por ciento
Ask for a number ¿Me pasas tu número? ¿Me das tu número? ¿Me regalas tu número? ¿Me pasás tu número? (vos)

Plata means silver and is the ordinary word for money across most of Latin America. In Spain, plata is only the metal, and dinero or pasta is the money.

Phone numbers

Phone numbers are read in groups, almost never digit by digit. Pairs are the most common grouping in Latin America: tres, quince, cuarenta y dos, dieciocho, setenta for 315 42 18 70. In Spain you will hear groups of three as well: seiscientos doce, trescientos cuarenta, cero ochenta y uno.

Phone numbers in Spain have nine digits, and mobiles start with a 6 or a 7. Mexican numbers have ten. Colombian mobile numbers have ten and start with a 3. In Argentina you may hear quince before a local mobile number, the old 15 prefix for mobiles.

If you lose track, ask for it again one digit at a time: ¿Me lo puede repetir número por número?

Years and dates

Years are read as one whole number. There is no “twenty twenty-six”.

Year Spanish
1492 mil cuatrocientos noventa y dos
1999 mil novecientos noventa y nueve
2000 dos mil
2008 dos mil ocho
2026 dos mil veintiséis

En 2026 and en el 2026 are both correct. The article is more common in Latin America. Decades are los años ochenta or just los ochenta. Centuries are written in Roman numerals and read as cardinals: el siglo XXI, el siglo veintiuno.

For the first of the month, people in Spain mostly say el uno de mayo and in Latin America el primero de mayo. For every other date you use the plain number: el dos de mayo, el treinta y uno de diciembre.

Other number words you will need

You want to say Spanish Notes
a dozen una docena
half medio (adjective), la mitad (noun) medio kilo, la mitad del pastel
a third un tercio
a quarter un cuarto un cuarto de kilo
about twenty unos veinte
a week ocho días Colloquial, from Monday to Monday
two weeks quince días or una quincena In Mexico la quincena is also payday
plus / minus / times más / menos / por Dos por tres son seis.
divided by entre Diez entre dos son cinco.
equals son or es igual a
I am 30 Tengo treinta años. Tener, not ser

The numbers in real sentences

  1. Somos cuatro, ¿tiene una mesa? There are four of us, do you have a table?
  2. Son veintiún euros con cuarenta. That’s twenty-one euros forty.
  3. Vivo en el tercer piso. I live on the third floor.
  4. Mi hija cumple dieciséis años en marzo. My daughter turns sixteen in March.
  5. ¿Me da medio kilo de tomates y una docena de huevos? Can I have half a kilo of tomatoes and a dozen eggs?
  6. Invitamos a doscientas personas a la boda. We invited two hundred people to the wedding.
  7. Nací en mil novecientos noventa y uno. I was born in 1991.
  8. Es la primera vez que vengo. It’s the first time I’ve come.
  9. La casa costó un millón doscientos mil dólares. The house cost 1.2 million dollars.
  10. Mi número es el tres, quince, cuarenta y dos, dieciocho, setenta. My number is 315 42 18 70.

Questions people ask

How do you say 100 in Spanish? Cien on its own and before a noun, mil or millones. Ciento when another number follows, as in ciento veinte.

Why is it veintiún and not veintiuno? The last letter of uno goes before a masculine noun, and so does the last letter of every number ending in uno. You say veintiún años and cincuenta y un kilos, but you count veintiuno, veintidós.

How do you say a billion in Spanish? Mil millones. Un billón is a million million, an English trillion.

Do Spanish speakers use a comma for decimals? In Spain, Colombia and Argentina, yes, with a point for thousands. In Mexico it is the English style, with a decimal point.

How do you say “first” in Spanish? Primero or primera, and primer before a masculine singular noun: el primer día, la primera noche.

Are numbers written in words or digits in Spanish? In running text, the rule in Spanish style guides is words for numbers that fit in one or two words and digits for longer ones. For prices, dates, phone numbers and addresses you use digits.

How do you say a phone number in Spanish? In groups, usually pairs, with each zero read as cero. If someone reads too fast, say más despacio, por favor, slower please.

Practise these words

número, cero, millón, primero, segundo, tercero, cuarto, mitad, docena, precio, año. Vozelu is a free website for practising Spanish, and it has each of these. You see a sentence with one word missing, you type the word, and a native voice reads the sentence back. Practise the words on this page.

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