年龄计算器
计算准确年龄和下一个生日。
使用方法
Exact age and next birthday
Age is calculated with real calendar months, so the result matches official age rules. The next birthday is shown with the number of days remaining.
- Pick your birth date.
- Press Calculate if needed.
- Read your age and next birthday.
常见问题
How are leap days handled?
The calculation uses real calendar months, so February 29 birthdays roll to March 1 in non-leap years.
Is my birth date stored?
No, everything stays in your browser.