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Pregnancy calculator

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About

DueDateCalc is the fastest way to calculate the exact number of days, weeks, or months between any two dates. Whether you are tracking a project deadline, counting down to a vacation, or calculating an invoice due date, get a precise result instantly without any distracting ads or sign-up forms.

Features

  • Instant Day Count: Enter start and end dates for an immediate total of days, weeks, and months.
  • Add/Subtract Logic: Find a future or past date by adding or subtracting a specific number of days from a start date.
  • Business Day Toggle: Exclude weekends and holidays to calculate only working days (coming soon).
  • Mobile Optimized: Works flawlessly on desktop, tablet, or phone for on-the-go planning.
  • Privacy First: All calculations happen in your browser. No date data is ever stored or tracked.
  • Clear Visual Output: Results are displayed in a large, readable format with a breakdown of the time span.