Spanish Numbers

Complete Beginner's Guide to Spanish Numbers

Building numbers in Spanish follows logical rules. You can now form any number up to 1 Billion!

1. The Building Blocks (0 to 15)

0 cero	4 cuatro	8 ocho	12 doce
1 uno (un)	5 cinco	9 nueve	13 trece
2 dos	6 seis	10 diez	14 catorce
3 tres	7 siete	11 once	15 quince

2. The Teens & Twenties

16-19: dieci- + unit (16 = diecis�is, 19 = diecinueve).

20-29: veinti- + unit (20 = veinte, 22 = veintid�s, 25 = veinticinco).

3. Tens & Numbers 30 to 99

Write three separate words using y ("and"): 34 = treinta y cuatro | 87 = ochenta y siete.

4. Hundreds (100 to 999)

100 = cien. 101+ = ciento. Multiples: 200 = doscientos, 500 = quinientos, 900 = novecientos.

5. Thousands, Millions, and Billions (1,000 to 1,000,000,000)

Thousands: Use mil. Never plural. (1,000 = mil, 5,000 = cinco mil).

Millions: Use mill�n (singular) or millones (plural). Note that "uno" drops the 'o' before millions (21,000,000 = veinti�n millones).

1 Billion: In Spanish, 1 billion is a thousand millions: 1,000,000,000 = mil millones.

6. Decimals

Decimals are expressed using punto (point), and the following digits are read as a normal number.
E.g., 4.50 = cuatro punto cincuenta | 12.05 = doce punto cero cinco.