Age Calculator

Age Calculator
Calculate your age in years, months, and days.

What this calculator does

The age calculator finds the difference between your date of birth and a target date in years, months, and days. It handles leap years and varying month lengths automatically.

Use it to check exact ages for forms, eligibility rules, or just for fun when tracking birthdays and anniversaries.

How to use this calculator

Enter your information in the fields above, run the calculation, and review the result to understand what it means for your situation.

How to interpret your result

Look at the output in the context of your overall goals rather than in isolation. Consider how sensitive the result is to changes in your inputs (for example, adjusting the amount, rate, or time) to understand which factors matter most.

Limitations and notes

This tool is a simplified model and does not capture every nuance of real life. Treat it as a planning aid, not a guarantee. For important financial or health decisions, combine these results with professional advice and more detailed analysis.