Age calculator

Calculate completed years and months.

How to use Age calculator

Select a birth date and the date on which to calculate age. The result shows completed years and months plus elapsed calendar days.

Age Calculator

Use this free age calculator to find an exact age from a date of birth. Select the birth date and a reference date to see the age in years, months and days.

It is useful for school admissions, forms, birthdays, eligibility checks, records and general planning.

How to use the Age Calculator

1. Enter the date of birth.
2. Choose the date you want to calculate the age on.
3. Calculate the result.
4. View the age in years, months and days.

For a current age, use today’s date as the reference date. To find someone’s age on a past or future date, select that date instead.

Common uses for an age calculator

You can use this tool to:

• check a child’s age for school admission;
• calculate age on an application date;
• work out the time until a birthday;
• check an age requirement for an activity or programme;
• calculate an exact age for a form or record.

For official applications, always check the relevant organisation’s rules. Some programmes calculate age on a specific cut-off date.

Example

If a child was born on 15 June 2015, enter that date and select the relevant admission or application date. The calculator will show the child’s exact age on that day.

FAQs

Can I calculate age on a past date?

Yes. Choose the required past date as the reference date.

Can I calculate age on a future date?

Yes. Select a future reference date to see how old someone will be on that date.

Does the calculator show months and days?

Yes. It provides the age in years, months and days.

Is this suitable for school admission age checks?

It is useful for planning and checking dates. Always confirm the school’s official age policy and cut-off date before submitting an application.

Can I use it for adults as well as children?

Yes. The calculator works for any valid date of birth.

Related tools

• Days Between Dates
• Add or Subtract Days
• Date Countdown
• Business Days Calculator
• Printable Calendar