How it's calculated
We count full calendar years, then the remaining months and days, accounting for different month lengths and leap years.
Calculate your exact age in years, months and days, or your age on any date.
You are
0 years
0 months, 0 days
You are: 0 years
Born 14 Feb 1996
Around 360 months, or over 10,950 days lived.
30 years old
Born 1 Jan 2010
Handy for checking school year or eligibility milestones.
16 years old
How the figures above are worked out — the rules, rates and reasoning behind every line.
This works out the precise gap between your date of birth and today (or any date you pick), broken down into years, months and days.
We count full calendar years, then the remaining months and days, accounting for different month lengths and leap years.
Enter your date of birth and the date to measure to. The calculator returns your age in years, months and days, plus totals in days and weeks.
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