Age Calculator: in Months, Days, Hours ... - babyMed.com : Enter your own or someone else's birthday and our calculator will tell you your age in years, months, days, hours, and seconds. Today you are 0 years 3 months 25 days 6 hrs 21 mins 51 secs old. You are 0.3183 years old... or 3.8199 months or 16.6093 weeks or 116.2652 days or 2,790.3642 hours or 167,421.8500 minutes or 10,045,311 seconds