Age Calculator Online

Calculate completed years, months and days between a birth date and a reference date. Free age calculator online, with no installation or account.

Tool capabilities

Input: TXT
Output: TXT · JSON

How to use Age Calculator

Calculate completed years, months and days between a birth date and a reference date. This age calculator works directly in your browser and is free to use without an account.

Paste or open your input in the editor.
Run the tool and inspect the output. If the input is invalid, correct the reported error and run it again.
Copy the result or download it to your device.

Age Calculator · Example

Input

2000-02-29

Output

{
  "years": 26,
  "months": 6,
  "days": 10,
  "totalDays": 9688
}

Calculate completed years, months and days between a birth date and a reference date.

Usage notes

Inputs and results are processed on this device. Tool content is not sent to a processing server.

Age Calculator