Wie alt bist du? Learn Unstarted Literal Breakdown Recording English German Learn how wie Learn old alt Learn are bist Learn you du Learn Summary The German translation for “How old are you?” is Wie alt bist du?. The German, Wie alt bist du?, can be broken down into 4 parts:"how" (wie), "old" (alt), "are" (bist) and "you" (du). Practice Lesson "How old are you?" Practice (5) Lesson Learn Lesson words are, how, old, you etc. View all lesson words Lesson phrases How old are you? etc. View all lesson phrases Themed Courses Miscellaneous 16 Part of Speech Courses Adjectives 3 Acknowledgements Audio Google text-to-speech