Freelance calculators
Workday Calculator
Add, subtract, or count weekdays while excluding weekends and custom holidays. Your inputs stay in this browser.
Live calculator
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What this calculator measures
The workday tool adds, subtracts, or counts Monday-to-Friday dates and can exclude a supplied holiday list.
Formula
Move one calendar day at a time; count only weekdays not listed as holidays
Worked example
- 1Adding one business day to Friday July 24, 2026 lands on Monday July 27.
- 2If July 27 is listed as a holiday, the result is Tuesday July 28.
How to interpret the result
Between-date mode excludes the start date and includes an eligible end date. Custom holidays must use YYYY-MM-DD.
Common mistakes and limits
- Forgetting local holidays, entering ambiguous date formats, or assuming every country shares the same weekend.
Frequently asked questions
Are public holidays automatic?
No. Add the dates relevant to your location.
Are weekends configurable?
This launch version uses Saturday and Sunday.
Can I subtract days?
Yes. Choose subtract business days.