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Formula
The calculator computes years, months, and days using today's date and the birth date components.
Worked Example
Frequently Asked Questions
Is this the same as the exact age calculator?
Very similar. Both compute years, months, and days from a birth date. This version is optimized for the common search "how old am I" and provides a quick, straightforward result.
Why might my age differ from another website?
Different tools use different date normalization rules, timezone handling, and rounding conventions for partial months. Differences of one day are common near month boundaries.
Can I calculate age for someone else?
Yes. Simply enter any birth date. The calculator computes the age from that date to today regardless of whose birthday it is.
Does this work for historical dates?
Yes. You can enter any past date and the calculator will compute the elapsed time to today. This works for dates going back many decades.
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