Days Calculator

Quickly calculate days between dates or add days to a date with our free online calculator, suitable for students, professionals, and planners.

Days Calculator Icon Minimalist SVG of a calendar with a checkmark representing date calculation

Check It Yourself

About This Tool

Our Days Calculator is a versatile online tool that allows users to determine the number of days between two dates or add/subtract days from a specific date. Whether planning a project timeline, calculating due dates, or scheduling events, this tool provides quick and accurate results.
The calculator supports multiple date formats and validates inputs to prevent errors such as invalid dates or leap year issues. It features intuitive options for calculating the difference, adding days, or subtracting days, with results displayed clearly and with the option to copy or export the data.
Ideal for students, professionals, event planners, or anyone needing reliable date computations. Its simple interface ensures ease of use, while its robust backend ensures precise calculations even over complex date ranges. Additional features like business days counting or date comparison further extend its utility.
Stay productive with our Days Calculator — fast, accurate, and accessible across devices, helping you manage time-sensitive tasks with confidence.

How to Use

1. Enter the start date in the first input field.
2. Enter the end date or number of days to add/subtract.
3. Select the operation: difference, add, or subtract.
4. Click the 'Calculate' button to view the result below.

FAQs/Additional Resources

Find Quick Answers

How do I calculate the number of days between two dates?

Can I add or subtract days from a specific date?

What date formats are supported?

Is the calculation accurate for leap years?

Can I export the results?

User Reviews

See What Others Are Saying

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

John Doe

John Doe

CEO of Company

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

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