You are 48 years old if you were born on December 31, 1975.
You are 48 years 3 months, 2 weeks, and 4 days old or 580 months old or 2,520 weeks old or 17,641 days old or 423,384 hours old or 25,403,040 minutes old or 1,524,182,400 seconds old You were born on a Wednesday.