Age inputs
Find precise age for forms, milestones, and planning.
Exact age
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Total days
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Next birthday
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Date & Time
Age Calculator
Calculate exact age in years, months, and days from a birth date.
Formula
Age is calculated by comparing calendar year, month, and day between the birth date and target date.
Example
Someone born on 1995-01-01 is 31 years old on 2026-01-01.
Result notes
- Results are estimates based on the values you enter.
- Calculators with schedules show how values change over time.
- For financial, health, or construction decisions, compare these estimates with professional advice when needed.
Frequently asked questions
Can I calculate age for a future date?
Yes. Set the target date to any date after the birth date.
Does this count leap years?
Yes. The calculation uses actual calendar dates.
What happens if the target date is before birth date?
The calculator asks for a target date after the birth date.