Days Between Dates Calculator — Find Days Between Any Two Dates
Use this free days between dates calculator to find the exact number of days between any two dates. Options to include the end date and exclude weekends make it flexible for any use case. Full breakdown includes weeks, months and years.
Days Between Dates Calculator
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How Are Days Between Dates Calculated?
The calculator counts every calendar day between your start and end dates. Weekends can be excluded if you need working days only. The end date can be optionally included in the count.
Formula: Days = End Date − Start Date
Days Between Dates vs Working Days
This calculator counts all calendar days by default including weekends. Tick Exclude Weekends to count only Monday to Friday — the same as the Working Days Calculator. Use this option for project timelines, payroll calculations or any business-day calculation.
Common Uses for Days Between Dates
Calculating project timelines, tracking deadlines, measuring time between historical events, counting days of leave or time off, finding days between birthdays or anniversaries, calculating contract durations and working out travel durations.
FAQs
How many days are between two dates?
Enter both dates and click Calculate. The result shows total days between them with a breakdown in weeks, months and years.
Does the calculator include weekends?
By default yes — all calendar days are counted. Tick Exclude Weekends to count only working days (Monday to Friday).
Should I include the end date?
That depends on your use case. For counting a duration like “5 days of leave” include the end date. For counting days between two events like birthdays leave it unchecked.
How many days are in a year?
A standard year has 365 days. A leap year has 366 days. The calculator accounts for leap years automatically.
Is this calculator free?
Yes completely free with no sign-up needed.