You are 40 years old if you were born on August 18, 1983.
You are 40 years 8 months, 1 week, and 1 day old or 488 months old or 2,123 weeks old or 14,862 days old or 356,688 hours old or 21,401,280 minutes old or 1,284,076,800 seconds old You were born on a Thursday.