You are 21 years old if you were born on July 4, 2002.
You are 21 years 9 months, 2 weeks, and 1 day old or 261 months old or 1,137 weeks old or 7,960 days old or 191,040 hours old or 11,462,400 minutes old or 687,744,000 seconds old You were born on a Thursday.