You are 40 years old if you were born on October 4, 1983.
You are 40 years 6 months, 2 weeks, and 6 days old or 486 months old or 2,116 weeks old or 14,813 days old or 355,512 hours old or 21,330,720 minutes old or 1,279,843,200 seconds old You were born on a Tuesday.