Worked example
Here is a simple Age example:
15 June 1990 to 4 September 2026 → 36 years, 2 months and 20 days.Age Calculator
Calculate age in completed years, months and days.
Additional months2
Additional days20
Calendar result based on the dates entered.
Practical guide
Age Calculator
Common mistakes to avoid
- Enter the complete date of birth.
- The result uses completed calendar periods.
- Future birth dates do not produce an age.
Frequently asked questions
What does the Age calculate?
Calculate age in completed years, months and days.
Which formula is used?
Age = selected date − date of birth
Can I rely on this result?
Use the result as a planning estimate. Check important financial, tax, legal, investment, or health decisions with a qualified professional.