Browser-based tool
Exact age calculator
Enter a date of birth and this tool calculates your exact age in detail. It's handy for checking age requirements for sign-ups and for personal planning.
The date you enter is never stored, and everything is processed only in your device's browser.
Calculateur d'âge exact
Saisissez le jour, le mois et l'année de naissance.
L'âge est compté en années, mois et jours révolus dans le calendrier choisi, à partir des dates seules (sans l'heure).
What this tool shows
Exact age
Your full, exact age in years, months and days.
Total days, weeks and months
Your age expressed as the total days, weeks and months that have passed.
Day of the week
The day of the week you were born.
Next birthday countdown
An exact countdown to your next birthday this year.
How to use this tool
1
Enter your day, month and year of birth in the fields.
2
To calculate your age at a specific point in time, you can change the reference date from today to another date.
Good to know
Supported birth years run from 1901 to 2099.
This calculator is a helper tool and does not count as legal proof of age.
Frequently asked questions (FAQ)
Short answers to common questions about this tool.
How is the exact age calculated?
Your age is calculated based on when the anniversary of your birth date arrives.
How are people born in leap years calculated?
In non-leap years, a birthday on February 29 is counted as the last day of February.
Can I calculate my age on a specific day in the past?
Yes. Turn on the dedicated option and you can run the calculation for any date instead of today.
Is my date of birth stored?
No. The tool isn't connected to any server, and your data is processed only on your own device.
More free tools
Many other online tools are available on our site that you can use.