What is this tool?
An age calculator turns a birth date into exact years, months, and days lived. Useful for forms, milestones, and planning events.
How to use
Pick a birth date and optional “as of” date. Results update immediately—no account or upload required.
Benefits
- Calendar-accurate day counts.
- Helpful for visa, school, or sports eligibility checks.
- Combine with the Date calculator for intervals.
FAQ
Does timezone affect age?
Dates are interpreted in your local calendar day. For legal deadlines, confirm official timezone rules.
Is my birth date stored?
No. Calculation runs in your browser; clearing the page clears inputs unless you save them elsewhere.