Age Calculator
Enter a birth date to calculate exact age as of today, down to the day.
Last updated: August 30, 2026
Frequently asked questions
How is exact age calculated?
By counting full years, then remaining months, then remaining days between the birth date and today - not just subtracting birth year from the current year.
Does this account for leap years?
Yes - it works directly from calendar dates rather than assuming a fixed 365-day year, so leap years are handled correctly without any extra adjustment.
Can I calculate age as of a specific future or past date instead of today?
This calculator compares your birth date to today's date specifically; to find your age on another date, use the Days Until Calculator or Date Duration Calculator to measure the gap between your birth date and any date you choose.
Can this calculate age in months or weeks instead of just years?
Yes - alongside your age in years, this calculator breaks down the exact time elapsed into total months, weeks, and days, so you can see your precise age in whichever unit is most useful.
Is this the same as a 'calculator birthday' or 'age calculator net' search?
Yes - both describe calculating exact age from a birth date, which is exactly what this tool does. Enter your birth date above to see your exact age in years, months, and days.
Is 'age calculator from birth date' or 'count age from date of birth' different from this tool?
No - all three phrasings describe the same task: entering a birth date to get an exact age. Enter your birth date above to get started.
Is 'age calculator by birth date' the same as this tool?
Yes - that's exactly what this calculator does. Enter your birth date above to see your exact age in years, months, and days.