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Age Calculator
Calculate full years, exact years-months-days age, next birthday, and days until the next birthday locally in your browser.
Professional tool panel
Age calculator with birthday dashboard
This is a today-based calculation using your browser local date. Future birth dates are rejected.
The result is based on today's local date in this browser.
Options / presets
Use a sample birthday to verify the dashboard format, then replace it with your own date.
How to use
- Select a birth date in the date field.
- Use the example birthday if you want to check the result format.
- Review full years, exact age breakdown, next birthday, and days until next birthday.
How this tool works
- The calculator compares the selected birth date with today in your browser local time zone.
- Full years subtracts one year if this year's birthday has not happened yet.
- The years / months / days breakdown walks calendar months and days, then finds the next birthday and days remaining.
Use cases
- Fill forms that require current age in full years.
- Check an exact age breakdown for birthdays, school forms, or personal records.
- See the next birthday date and how many days remain without storing the birth date.
Examples
- Birth date 1992-11-30 shows full years plus an exact years, months, and days breakdown from today.
- Use a past birthday to check the next birthday date and how many days remain.
- Future dates are rejected so the result does not show a misleading age.
FAQ
Does the age calculator show months and days?
Yes. It shows full years and a years / months / days breakdown based on the browser local date.
Can I enter a future birth date?
No. Future birth dates show an error because they cannot produce a valid current age.
Is my birth date stored?
No. The calculation runs locally in your browser and does not require an account.
Privacy note
Your birth date is only used in this browser to calculate age, next birthday, and days until next birthday. It is not uploaded.
Related tools
Continue with nearby browser-local utilities.
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