Age Calculator
Calculate your exact age in years, months, and days based on your date of birth.
Published by:
isCalculator Editorial Team
Reviewed by:
Review Board
Last Updated:
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How to use this tool?
How to Use the Age Calculator
- Select your Date of Birth using the "Date of Birth" field (defaults to 1990-01-01).
- Choose the "As of Date" (defaults to today's date). This is the date you want to calculate age up to.
- Click "Calculate Age" to see your exact age in years, months, and days.
What you get:
- Main result: Age displayed as X years, Y months, Z days.
- Breakdown section: Shows total days, total months, and total years since birth.
Important notes:
- Both dates must be valid and the date of birth must be before the "As of Date".
- No special format required—just use the date picker provided.
- If an error occurs (e.g., missing dates or invalid order), a red message will appear.
Previous Results
| Result | Inputs | Date |
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Frequently Asked Questions
Age is calculated by subtracting the date of birth from the current date (or a specified date). The result is expressed in years, months, and days.
Yes, you can enter any 'As of Date' to calculate age on that specific date.
The calculator will show an error message prompting you to enter valid dates.