You are 21 years old if you were born on September 10, 2002.
You are 21 years 7 months, 2 weeks, and 1 day old or 259 months old or 1,128 weeks old or 7,898 days old or 189,552 hours old or 11,373,120 minutes old or 682,387,200 seconds old You were born on a Tuesday.