Is it safe to enter my birthdate?

Yes. The calculation runs in your browser; your birthdate is not sent to our servers for this tool.

It uses correct month lengths and leap years.

Can I use a past or future target date?

Yes. Change the target date to get age at any point in time.

年齢計算

Enter a birth date and optional end date to get exact age in years, months, and days. All calculation is done in your browser so birth dates are not sent to our servers for this calculation.

無料 · 制限なし · ブラウザで処理

使い方

1Enter the date of birth.
2Set the target date (default is today).
3View the exact age (years, months, days).

よくある質問

Is it safe to enter my birthdate?: Yes. The calculation runs in your browser; your birthdate is not sent to our servers for this tool.
How accurate is it?: It uses correct month lengths and leap years.
Can I use a past or future target date?: Yes. Change the target date to get age at any point in time.