Numbers in Spanish
29 words, from beginner to advanced. Tap a word to hear it.
Good to know
Uno is the form used for counting without a following noun. Before a masculine noun it loses its final -o; before most feminine nouns, -o becomes -a. Cien means exactly 100; numbers from 101 to 199 use a longer form.
Millón means 1,000,000, while Mil millones means 1,000,000,000. Keep these quantities distinct. Número can refer to a number as a whole; Cifra can refer to one digit in its written form. For example, 25 is one number written with two digits.
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- Uno /ˈuno/ One
- Dos /ˈdos/ Two
- Tres /ˈtɾes/ Three
- Cuatro /ˈkwatɾo/ Four
- Cinco /ˈθinko/ Five
- Seis /seis/ Six
- Siete /ˈsjete/ Seven
- Ocho /ˈotʃo/ Eight
- Nueve /ˈnwebe/ Nine
- Diez /djeθ/ Ten
- Once /ˈonθe/ Eleven
- Doce /ˈdoθe/ Twelve
- Trece /ˈtɾeθe/ Thirteen
- Veinte /ˈbejnte/ Twenty
- Treinta /ˈtɾejnta/ Thirty
- Cuarenta /kwaˈɾenta/ forty
- Cincuenta /θinˈkwenta/ Fifty
- Sesenta /seˈsenta/ Sixty
- Setenta /seˈtenta/ Seventy
- Ochenta /oˈtʃenta/ Eighty
- Noventa /noˈbenta/ Ninety
- Cien /θjen/ Hundred
- Mil /mil/ Thousand
- Millón /miˈʝon/ el pl. los millones Million
- Número /ˈnumeɾo/ el pl. los números Number
- Medio /ˈmedjo/ Half
- Docena /doˈθena/ la pl. las docenas Dozen
- Mil millones /mil miˈʝones/ Billion
- Cifra /ˈθifɾa/ la pl. las cifras Figure
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Rules to remember
- Medio, when it means half of something, agrees with the noun’s gender: its final -o becomes -a with a feminine noun.
- Mil stays unchanged when expressing exact quantities such as 2,000 or 3,000; it does not take a plural ending.
- Número has stress on its first syllable, while Millón has stress on its last. Keep the written accent in both words.

