Every age calculator on this site in one place. Pick the tool that matches the question you need answered, from an exact age today to an age on a test date.
Start here for an age in years, months and days, the gap between two people, or the age on a date other than today.
Use these when a whole number of years is too coarse, such as for babies, research data or day counts.
Calculators that report age on a test or assessment date, in the formats clinicians and educators record.
When you only know a year or an age, these lookups give the possible answers without a full date of birth.
The time elapsed since a past year, in years and total days, calculated for today.
Upload a photo for an apparent-age guess and a shareable result card. Photos are analyzed in your browser.
For the method behind these tools, worked examples and reference charts, see the age guides and charts.