You are 42 years old if you were born on December 7, 1981.
You are 42 years 4 months, 1 week, and 5 days old or 508 months old or 2,210 weeks old or 15,474 days old or 371,376 hours old or 22,282,560 minutes old or 1,336,953,600 seconds old You were born on a Monday.