This age calculator works out your exact age in years, months, and days from any date of birth — useful for forms, milestones, and settling birthday debates.
Your age is the time elapsed from your date of birth to today. Because months have different lengths and leap years add a day every four years, the calculator counts complete years first, then the remaining months and days, to give a precise figure.
Beyond curiosity, an exact age is handy for eligibility checks (work, pensions, insurance), calculating someone's age on a future date, or finding the gap in age between two people.
The calculator counts the full years since your birth date, then the leftover months and days, accounting for varying month lengths and leap years.
Yes — comparing your birth date with any chosen date tells you how old you will be on that day.
Yes. Leap days are included so the day count stays accurate over long spans.
Results are provided for general information. Double-check important figures independently.