Weeks Between Dates Calculator

Count the weeks (and days) between two dates.

Quick answer: Calculate the exact amount of weeks between two dates online. Find out how many weeks apart your events or milestones are.

Weeks between23.14
Full weeks23
Remaining days1
Total days162

computed locally — nothing leaves your browser

Count how many weeks fall between two dates, shown as a decimal, as full weeks plus leftover days, and as a total day count.

How it works

  1. Pick the first date on the calendar.
  2. Pick the second date on the calendar.
  3. The engine finds the difference and displays it as exact weeks.

Frequently asked questions

Pregnancy weeks?

For gestational age, use the Due Date Calculator, which counts from your last period with the standard medical convention.

Does order matter?

No — the tool uses the absolute difference between the dates.

How are partial weeks shown?

As both a decimal (e.g. 23.43 weeks) and as full weeks with the remaining days.

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