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Calculate the total days between two dates with an optional inclusive end date.
Calculate days between dates
Get the total number of days between two calendar dates with an optional inclusive end date.
Count the days between two dates
Enter a start date and end date to get the total day count without extra modes or settings.
Count the last day as part of the range.
Result
Review the total days between the selected dates and the comparison details.
Your result will appear here.
From Jan 1, 2026 to Jan 31, 2026
How to use the days between dates calculator
- Enter the start date for the period you want to measure.
- Enter the end date you want to compare against the start date.
- Turn on Include end date if the last day should count in the total.
- Click Calculate to see the total days first, then review the weeks and calendar breakdown.
Days between dates examples
- Count how many days are between a contract start date and renewal date.
- Measure the number of days between two travel dates for itinerary planning.
- Check the total days between project kickoff and launch when building a delivery timeline.
What does this days between dates tool show?
This days between dates calculator helps you find the total number of days between two calendar dates. You can enter a start date and end date, then choose whether to include the end date when you need an inclusive count.
That total day count is the primary answer for searches like days between dates, days between two dates, or how many days between two dates. Below the main result, the page also shows total weeks and a years, months, and days breakdown so the day count is easier to interpret without turning the tool into a broader date calculator.
When should you include the end date?
Leave Include end date off when you want the elapsed gap between two dates. Turn it on when the final day should be counted as part of the range, such as booking windows, eligibility periods, or checklist spans.
Days between dates FAQs
How do I calculate days between two dates?
Enter a start date and an end date, then click Calculate. The tool returns the total day count as the main result.
Does this tool include the end date?
It can. Turn on Include end date if you want the last day counted in the total.
What is the difference between this tool and the date calculator?
This page is focused only on counting days between two dates. The broader date calculator also includes add/subtract date and business day modes.