Numbers 13 to 20 (dreizehn to zwanzig)

The "Teen" Numbers

To form most numbers from thirteen to nineteen, German uses a very predictable pattern: combine the single digit with zehn (ten). This is exactly like adding "-teen" in English!

  • drei (3) + zehn (10) = dreizehn (13)
  • vier (4) + zehn (10) = vierzehn (14)
My sister is thirteen years old.
Meine Schwester ist dreizehn Jahre alt.
There are fourteen chairs here.
Hier gibt es vierzehn Stühle.

This regular pattern also applies directly to fünfzehn (15), achtzehn (18), and neunzehn (19).

She is bringing fifteen bottles along.
Sie bringt fünfzehn Flaschen mit.
She is nineteen and is studying.
Sie ist neunzehn und studiert.

Small Spelling Changes: 16 and 17

Two numbers in the teens drop a few letters to make them flow better when spoken.

For sixteen, sechs drops its final -s:

  • sechssechzehn (not sechszehn)
He made sixteen mistakes.
Er hat sechzehn Fehler gemacht.

For seventeen, sieben drops its final -en:

  • siebensiebzehn (not siebenzehn)
My grandma has seventeen cats.
Meine Oma hat siebzehn Katzen.

The Number 20 (Zwanzig)

Rather than ending in -zehn, the number twenty introduces a new pattern for the "tens" digits, which generally end in -zig. It is based on zwei (two), but the spelling changes slightly to zwan-.

Twenty people are coming to the party.
Zwanzig Leute kommen zur Party.
I am showing him twenty photos.
Ich zeige ihm zwanzig Fotos.

Contributors