Exact date difference
Quick age math without the awkward layout
Enter any start and end date to get a precise years-months-days breakdown, plus total days, weeks, and months for planning, forms, and everyday calculations.
Mobile friendly controlsTotal days and weeksNext birthday insight
End date
Today
Preloaded so the common case is one tap away.
Output
Exact
Years, months, days, and full totals in one view.
Best for
Forms
Great for birthdays, durations, subscriptions, and paperwork.
Calculator
Choose your dates
Use it as an age calculator or a general date-difference tool.
Same-day valid
Yes
Timezone-safe
Local dates
Inputs
Touch friendly
Result
Exact breakdown
Choose your dates and run the calculation to see the exact age breakdown here.
Helpful context
Extra planning details
Results here update once the calculator has valid dates to work with.