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나이 계산기

정확한 나이를 년, 월, 일로 계산하세요. 살아온 총 일수, 주수, 다음 생일까지 남은 일수를 확인할 수 있습니다.

생년월일과 선택적 기준일을 입력하여 정확한 나이를 계산하세요

나이
생년월일을 선택하여 계산하세요
나이는 달력 날짜를 기준으로 계산됩니다. 기준일은 기본적으로 오늘이지만 변경하여 특정 시점의 나이를 계산할 수 있습니다.

How to Use This Tool

  1. 1

    Enter your date of birth

    Use the date picker to select your birth date. The format follows your browser's locale settings.

  2. 2

    Optionally change the target date

    By default the target date is today. Change it to calculate age at any specific date in the past or future.

  3. 3

    View your exact age

    The calculator displays your age in years, months, and days, along with total days, weeks, and months lived.

  4. 4

    Check your next birthday

    See how many days remain until your next birthday countdown, displayed automatically below the result.

Frequently Asked Questions

How does the age calculator determine exact age?
It computes the difference between the birth date and target date accounting for varying month lengths and leap years, giving you precise years, months, and days.
Can I calculate age between two arbitrary dates?
Yes. Change both the birth date and target date fields to compute the elapsed time between any two dates, not just from birth to today.
Does this tool account for leap years?
Absolutely. The calculation correctly handles leap years and months with different numbers of days to ensure accurate results.
How is the next birthday countdown calculated?
It finds the next occurrence of your birth month and day after the target date and counts the remaining calendar days.