A tool for every date question.

Find your age, compare two dates or work out when your next milestone arrives.

Find a calculator

9 tools available

Years, months and days on any date.

Compare two birth dates in either order.

Find your next birthday and save the date.

Count elapsed days or include both dates.

Move a date by years, months, weeks or days.

Find the date of your 18th, 50th or any birthday.

Compare traditional, international and year age.

A sourced, approximate age comparison for cats.

A chart comparison for medium-sized dogs.

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Count a draft, calculate a percentage, convert a measurement or create a password. Explore the main MultipleTools collection.