You are 20 years old if you were born on January 16, 2004.
You are 20 years 2 months, 1 week, and 6 days old or 242 months old or 1,054 weeks old or 7,378 days old or 177,072 hours old or 10,624,320 minutes old or 637,459,200 seconds old You were born on a Friday.