DATE & TIME
Age Calculator
Calculate exact age in years, months and days from a birth date.
100% free
No sign-up
Private — runs in your browser
Instant results
KEY TAKEAWAYS
- Calculate exact age in years, months and days from a birth date.
- Free to use — no sign-up, no account and no usage limits.
- Runs entirely in your browser, so the numbers you enter stay private.
- Works on desktop and mobile with instant, accurate results.
Last updated: June 2026
About the Age Calculator
Enter a date of birth (and optionally a date to measure to) for an exact age, plus totals in months, weeks, days and hours.
Frequently asked questions
Can I find age on a future or past date?
Yes — set the 'age at date' field to any date to find age as of that day.
Free online tool from ConvertFleet. Calculations run entirely in your browser — nothing you type is sent anywhere. Results are estimates for general guidance only.