How exact age is calculated
Your age isn't just "current year minus birth year" — that's often off by one. This calculator counts complete years, then complete months, then remaining days, correctly handling different month lengths and leap years. The "total days alive" number is a fun one: 10,000 days lands around age 27.4.
Common uses
Official forms, visa and job applications, eligibility checks (voting, retirement), pediatric measurements, and settling the "who's older" debate with day-level precision.