Calculators
Business Days Calculator
Count the business days (Monday–Friday) between two dates, or add a number of working days to a date to find a deadline. Weekends are excluded automatically; the calendar math runs instantly in your browser.
Examples
Input
Thu 1 Jan → Thu 8 Jan
Output
5 business days (7 calendar days)
Input · Weekend skipped
Fri + 3 business days
Output
Wednesday
How to use Business Days Calculator
Choose a mode
Count business days between two dates, or add N business days to a start date.
Pick the dates
Use the date pickers; the result updates instantly.
Read the answer
Working days counted (weekends excluded), or the resulting deadline date.
Why use this tool
Counts weekdays after the start date, up to and including the end date
“Add N business days” mode for deadlines and SLAs
Also shows total calendar days and weekend days skipped
Instant and private
Frequently asked questions
Every weekday (Monday–Friday) after the start date, up to and including the end date. The start date itself is not counted — matching how deadlines like “within 10 business days” usually work.
No — holidays differ by country, region and even company. The count excludes weekends only; subtract any holidays in your range manually.
Weekend days are never counted, so a range ending on a Saturday or Sunday counts the same as one ending the previous Friday.
Found a bug or have an idea?
ToolOrbit is actively developed — feedback directly shapes what gets built next.
Send feedback