How to say you are 7 years old in Hindi?

You would say "Mujhe saat saal ho gaye hain" (मुझे सात साल हो गए हैं) to say you are 7 years old in Hindi.

Here's a breakdown:

* Mujhe (मुझे) - This means "to me" or "I have".

* saat (सात) - This means "seven".

* saal (साल) - This means "year".

* ho gaye hain (हो गए हैं) - This means "have become".

So the entire phrase translates to "I have seven years".