Date difference New
Calculate the number of days, weeks, months and years between two dates, including working days from Monday to Friday.
Age calculator: how old am I?
Find out exactly how old you are, or how old someone was on a given date, and how long it is until the next birthday.
Runs in your browser. Nothing is uploaded.
Loading the age calculator…
How to use the age calculator
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Enter the date of birth.
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Optionally pick another date to calculate the age on that day.
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Read the age in years, months and days, and the countdown to the next birthday.
Frequently asked questions
How is the age of someone born on 29 February calculated?
In years without 29 February, the birthday is counted on 1 March, so the age goes up on the first day after 28 February.
Is my date of birth stored?
No. The calculation happens in your browser and the date is not sent anywhere.
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