A Duration Calculator calculates the number of days, months and years between two dates.
We no longer have a live age calculator on our site. There are a number of age calculators online, including this one:
Do not check 'Include end date in calculation (1 day is added)'
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* Pearson has no affiliation with this third-party tool. Use of this tool is at your own risk; we are not responsible for its content, accuracy, or any outcomes resulting from its use.