कितने साल

how many years

→ कितना
phrase Uncommon #4,882
how many years With की, it asks someone's age; with से, it asks how long someone has been doing something.
HI: तुम्हारी बहन कितने साल की है?
EN: How old is your sister?

कितने साल हो गए?

How many years has it been?

— Raat Akeli Hai (2020)

और मुझे कितने साल लगेंगे इन्हें हल करने में।

And how many years will it take me to solve them?

— Jaane Jaan (2023)

सर, वैसे कितने साल के हो गए?

Sir, how old are you now, by the way?

— AK vs AK (2020)

तुम कितने साल से काम कर रहे हो, छोटू?

How long have you been working, Chhotu?

— Lost Ladies (2024)

कितने साल थे जेल में?

How many years were you in prison?

— Sardar Udham (2021)

तुम कितने साल के थे?

How old were you?

— Merry Christmas (2024)