💼
Business Days Calculator
Add business days to a start date or count workdays between two dates. Weekends are skipped automatically. Perfect for Net 30/60/90 deadlines.
💼
Business Days Calculator
Add business days or count workdays between dates
What Are Business Days?
Business days (also called working days or weekdays) are the days of the week when most businesses operate: Monday through Friday. Saturdays and Sundays are excluded. Public holidays may also be excluded depending on your country, industry, and contract terms.
Business Days vs. Calendar Days
| Calendar Days | Approx. Business Days | Calendar Weeks |
|---|---|---|
| 7 calendar days | 5 business days | 1 weeks |
| 14 calendar days | 10 business days | 2 weeks |
| 30 calendar days | ~22 business days | ~4.3 weeks |
| 60 calendar days | ~43 business days | ~8.6 weeks |
| 90 calendar days | ~65 business days | ~12.9 weeks |
| 180 calendar days | ~130 business days | ~25.7 weeks |
| 365 calendar days | ~261 business days | ~52.1 weeks |
Common Business Day Applications
- Net 30/60/90 — Invoice payment due date (usually calendar days, check your contract)
- Contract notice periods — 10 or 30 business days' notice to terminate
- Legal deadlines — Court response deadlines are often in business days
- Shipping estimates — "Ships in 3–5 business days"
- HR timelines — Onboarding, offer letter acceptance periods
- Banking — ACH transfers, wire transfers, check clearing times
? Frequently Asked Questions
What counts as a business day?
A business day is typically Monday through Friday, excluding weekends. This calculator does not exclude public holidays, which vary by country and organization. Always verify holiday exclusions with the relevant party.
How do I add 30 business days to a date?
Select "Add Business Days," enter your start date, type 30 in the business days field, and click Calculate. The calculator skips weekends automatically.
How many business days are in a month?
A standard month has approximately 21–23 business days, depending on how weekends align. January 2024, for example, had 23 business days. Use the calculator for the exact count for any period.
What is Net 30 in business days?
Net 30 typically refers to 30 calendar days, not business days. However, some contracts specify "30 business days," which is roughly 6 calendar weeks. Always check your contract language.
Can I count business days between two dates?
Yes. Switch to "Days Between Dates" mode, enter your start and end dates, and click Calculate. The result shows the exact number of business days (Monday–Friday) in that period.
Related Calculators
💡 Important Note
This calculator excludes weekends but NOT public holidays. Always verify holiday exclusions separately for legal or contractual deadlines.