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Business Days Calculator
Calculate working days and exclude weekends or holidays. This tool helps you determine project timelines, shipping dates, and work contract periods.
✓ Free✓ No signup✓ Privacy first✓ Runs in your browser
Business Days Calculator – ToolPremier

Business Days Settings

Exclude Days
Custom Holidays

Specify additional custom holiday dates to exclude from business days.

Business Days Calculator · Custom weekends selection · Exclude custom holiday dates list · Detailed exclusion logs

How it works
Convert in three steps

1. Enter the dates

Select the start date and the end date from the calendar selectors.

2. Select off-days

Choose which days are weekends (defaults to Saturday and Sunday).

3. Check the count

Read the calculated total of business days and calendar days.

FAQ
Common questions
The calculator excludes weekends by default, but also provides options to input specific holiday dates to subtract from the total. Since public holidays vary globally, users can customize their holiday list for local calendars. This ensures region-specific accuracy.
This specific calculator is built to measure the business days between two existing dates. If you need to add a number of business days to a start date to find a delivery date, you can use our complementary date tools.
Yes, you can adjust weekends if you are working in regions that observe different weekend schedules (like Friday and Saturday). This helps align calendar calculations with international business customs.
No, the calendar math runs locally within your browser. None of your dates, project schedules, or holiday setups are sent to external servers, keeping your data private.
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About the Business Days Calculator
The Business Days Calculator is a fast, reliable utility designed for freelancers, project managers, contractors, and shipping coordinators who need to calculate work schedules. It offers a clean interface to check timelines without doing manual calendar math. Whether tracking shipping deadlines or auditing client contracts, the tool provides quick results.
Benefits
  • Determine shipping arrivals - calculate actual business days between dispatch and delivery to set clear customer expectations.
  • Audit billing contracts - count active working days to invoice clients accurately for project hours.
  • Track project sprints - plan software development cycles by calculating working days excluding holidays.
  • Manage vacation requests - determine the exact number of paid days off used when planning personal leaves.
Privacy
Calculations are processed entirely within the local web browser, meaning no date spans or holiday lists are sent to external servers.