Free Online Tool
Business Days Calculator
Count the exact number of working days (Monday–Friday) between any two dates. Exclude US federal holidays, add your own company holidays, and get an instant breakdown.
Try it now
Free — no sign-up required
Holiday Options
Business days are Monday–Friday. Weekends are always excluded. Toggle federal holidays and add custom exclusions above.
Examples
Real-world calculations
Q.How many business days are in Q1 2025 (Jan 1 – Mar 31)?
A.63 business days, excluding weekends. 57 if you exclude federal holidays.
Q.I need to deliver a project in 30 business days from today. When is the deadline?
A.Use the calculator: enter today as start, count forward 30 Mon–Fri days, skipping holidays.
Q.How many working days between Thanksgiving and Christmas 2025?
A.19 business days (Nov 27 – Dec 25), excluding weekends and the two federal holidays.
Q.My contract says payment is due in 10 business days. When is that?
A.Enter the contract date as start, set count to 10 workdays — the end date is your due date.
Q.How many business days does a 90-day notice period cover?
A.Roughly 64 business days, depending on the start date and holidays in the window.
Q.How many working days are left in the year from today?
A.Enter today and Dec 31 in workdays-only mode to get the exact count.
How it works
Simple, accurate, instant.
Enter your start and end dates
Use the date pickers to select any two dates — past, present, or future.
Toggle holiday exclusion
Turn on "Exclude US Federal Holidays" to automatically remove the 11 observed federal holidays from the count.
Add custom dates (optional)
Use the Custom Dates panel to exclude company holidays or force-include days you actually worked.
Read your result
The calculator instantly shows business days, weekends, and holidays in a visual breakdown bar.
FAQ
Frequently asked questions
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Download a business days tracker to plan workdays, due dates, and project schedules — ready to open in Excel or Google Sheets.