Days Between Dates Calculator
Count exact days, full weeks, and remaining days between two dates. Useful for contracts, travel plans, countdowns, school terms, and project timelines.
Continue with another calculation
Core Week Calculator
Convert dates to ISO weeks, turn week numbers into date ranges, calculate weeks between dates, add/subtract weeks and count from today.
Open →Planning Calculators
Plan deadlines, project timelines, payroll periods, work anniversaries and timesheet weeks.
Open →Week Calendar
Browse ISO weeks by year with Monday-to-Sunday ranges and highlighted current week.
Open →When to use this tool
Use this when you need a precise date-to-date duration instead of an approximate month-based answer.
Practical uses
Count exact days, full weeks, and remaining days between two dates. Useful for contracts, travel plans, countdowns, school terms, and project timelines.
These planning tools are designed for quick answers, but they also work well as part of a bigger workflow. You can pair them with the year calendar, current week page and week guides to plan projects, delivery windows, payroll cycles, reporting periods and deadlines.
FAQ
Does this count calendar days?
Yes. This tool counts calendar days between the selected dates.
Can I include the end date?
Yes. Enable inclusive counting to add the final day to the result.