How to use the Age Calculator
- Select your date of birth.
- Read your age breakdown.
- Check the days until your next birthday.
How it works
Calendar maths accounts for different month lengths: if the day of month is earlier than your birth day, a month is borrowed from the previous month. Leap-day birthdays are handled by the browser’s date logic.
Worked example
Born 15 June 1995, on 6 Nov 2026 you are 31 years, 4 months and 22 days old.
Good to know
Useful for forms, eligibility checks, school admissions and milestone planning.
Frequently asked questions
Subtract birth date from today by year, month and day, borrowing days from the previous month where needed.
No. Everything is calculated in your browser.
Results are estimates for information only and are not financial, tax or legal advice.