Age Calculator
Calculate your exact age in years, months and days, plus total days, weeks and the time remaining until your next birthday.
How this age calculator works
Choose your date of birth and the date you want to calculate your age on. The calculator uses calendar years and months for the exact age, while totals like days and weeks are based on the full time difference.
- Exact age in years, months and days
- Total months, weeks, days and hours
- Countdown to your next birthday
Useful for
Birthdays, school forms, applications, age verification, family records and general date calculations.
Privacy: Your dates are calculated in your browser and are not uploaded.
Related Tools
How to Use the Age Calculator
- Enter your date of birth in the calculator.
- Run the calculation.
- Review the age result and any detailed time breakdown shown by the tool.
Features and Common Use Cases
The Age Calculator gives a quick age result from a date of birth and is useful for forms, birthday planning, eligibility checks and everyday date questions. It removes manual date counting and keeps the calculation simple on mobile or desktop.
Frequently Asked Questions
How do I calculate my exact age?
Enter your date of birth and the date you want to calculate your age on, then click “Calculate Age”.
What does the Age Calculator show?
Your exact age in years, months and days, plus total months, weeks, days, hours, and a countdown to your next birthday.
Can I calculate my age on a past or future date?
Yes. You can choose any date in the “Calculate age on” field, not just today.
Is my date of birth uploaded to a server?
No. Your dates are calculated in your browser and are not uploaded.
Is the Age Calculator free to use?
Yes, it is free to use.