You are 21 years old if you were born on March 5, 2003.
You are 21 years 1 month, 2 weeks, and 4 days old or 253 months old or 1,102 weeks old or 7,720 days old or 185,280 hours old or 11,116,800 minutes old or 667,008,000 seconds old You were born on a Wednesday.