| 0 | zero | cero |
| 1 | one | uno (m),una (f) |
| 2 | two | dos |
| 3 | three | tres |
| 4 | four | cuatro |
| 5 | five | cinco |
| 6 | six | seis |
| 7 | seven | siete |
| 8 | eight | ocho |
| 9 | nine | nueve |
| 10 | ten | diez |
| 11 | eleven | once |
| 12 | twelve | doce |
| 13 | thirteen | trece |
| 14 | fourteen | catorce |
| 15 | fifteen | quince |
| 16 | sixteen | dieciséis |
| 17 | seventeen | diecisiete |
| 18 | eighteen | dieciocho |
| 19 | nineteen | diecinueve |
| 20 | twenty | veinte |
| 21 | twenty-one | veintiuno |
| 22 | twenty-two | veintidós |
| 30 | thirty | treinta |
| 31 | thirty-one | treinta y uno |
| 40 | forty | cuarenta |
| 50 | fifty | cincuenta |
| 60 | sixty | sesenta |
| 70 | seventy | setenta |
| 80 | eighty | ochenta |
| 90 | ninety | noventa |
| 100 | one hundred | cien |
| 101 | one hundred and one | ciento uno |
| 200 | two hundred | doscientos |
| 300 | three hundred | trescientos |
| 400 | four hundred | cuatrocientos |
| 500 | five hundred | quinientos |
| 600 | six hundred | seiscientos |
| 700 | seven hundred | setecientos |
| 800 | eight hundred | ochocientos |
| 900 | nine hundred | novecientos |
| 1,000 | one thousand | mil |
| 2,000 | two thousand | dos mil |
| 1,000,000 | one million | un millón |
| 2,000,000 | two million | dos millones |