You are 20 years old if you were born on May 16, 2003.
You are 20 years 11 months, 1 week, and 3 days old or 251 months old or 1,093 weeks old or 7,651 days old or 183,624 hours old or 11,017,440 minutes old or 661,046,400 seconds old You were born on a Friday.