Working days = Total calendar days − Weekends − Public holidays. Essential for project planning and contract deadlines.
There are approximately 260 working days per year (52 weeks × 5 days − 11 US federal holidays).
Some industries (banking, finance) use different holiday calendars.
Reach for this calculator when precision matters more than rough approximation — whether that is for a financial decision, a planning task, or simply getting the right answer the first time.
A common mistake is misidentifying which formula applies to the specific version of the problem. Many everyday calculations have superficially similar variants that use different formulas — always check which scenario matches your situation.
A freelancer calculates the exact number of working days between a project start and deadline, accounting for weekends and public holidays. The result tells them whether the timeline is achievable before accepting the brief — not after.
Approximately 260 working days in the US (2024): 365 days − 104 weekend days − 11 federal holidays.
Count all days, subtract Saturdays and Sundays, then subtract any public holidays that fall on weekdays.