You are 21 years old if you were born on September 18, 2002.
You are 21 years 6 months, 1 week, and 3 days old or 258 months old or 1,123 weeks old or 7,862 days old or 188,688 hours old or 11,321,280 minutes old or 679,276,800 seconds old You were born on a Wednesday.