Age Calculator

Use this age calculator to work out age in years, months and days, or to check the time between a date of birth and another date.

How to use this calculator

• Enter a date of birth to calculate current age.
• Compare two dates for planning, forms or personal records.
• Use exact dates when age matters for eligibility or deadlines.

Before you rely on the result

Calculator results are designed for quick estimates and everyday planning. Check important financial, tax, legal, health or business decisions with an appropriate official source or qualified professional.

Related calculators

You may also need the date calculator or time calculator.

Age Calculator FAQs

What is the age calculator for?

It helps you make a quick estimate and understand the numbers before comparing options or checking official figures.

Are the results exact?

The results are estimates based on the values you enter. Final figures can vary because of rules, fees, rates, rounding or personal circumstances.