年齢計算機

Calculate your exact age in years, months, and days from your date of birth with our free Age Calculator. Also useful for calculating how long ago an event happened or how many days until a future date. Accurate to the day, accounting for leap years.

使い方

1. 1Enter your date of birth (day, month, year).
2. 2The "As of" date defaults to today — you can change it.
3. 3Click "Calculate" to see your exact age.
4. 4View your age in years, months, and days.
5. 5See the total days, weeks, and months since birth.

主な機能

• ✓Exact age in years, months, and days
• ✓Accounts for leap years correctly
• ✓Also shows total days and weeks lived
• ✓Works for any date range, past or future
• ✓Free and private — all calculations in your browser

よくある質問