You are 21 years old if you were born on March 8, 2003.
You are 21 years 1 month, 1 week, and 5 days old or 253 months old or 1,102 weeks old or 7,714 days old or 185,136 hours old or 11,108,160 minutes old or 666,489,600 seconds old You were born on a Saturday.