How to Calculate Your Exact Age in Years, Months & Days

Knowing your exact age is handy for forms, eligibility and birthdays.

The method

Subtract your birth date from today. An age calculator handles leap years automatically.

Example

Born 15 Jan 2000, today 17 Jul 2026 = 26 years, 6 months, 2 days.

Uses

Retirement planning, exam eligibility, visa forms and insurance.

Tip

You can also calculate age in total days or hours for fun facts.