Date & Time
Business Days Calculator
Business Days: business Days Calculator counts the business days between the two dates by including weekdays (Monday–Friday) and skipping weekends. Worked through below with real figures, and the calculator repeats the working on your own inputs — free, on-device, instant.
Business Days Calculator helps you count the business days between two dates. Enter your range start and range end and it returns the number of business days instantly, right in your browser with nothing uploaded.
About this calculator
Business Days Calculator counts the business days between the two dates by including weekdays (Monday–Friday) and skipping weekends. It matters whenever spans between dates, times or zones drive a plan, a deadline or a record. Worked below as From Monday 1 to Friday 12 of a month spanning two weeks, excluding the two weekends, there are 10 business days . — and the calculator on this page repeats exactly that working for your inputs, instantly, and offline after load.
How to use
- Pick the start date of the range.
- Pick the end date of the range.
- Press Calculate to count business days.
- Read the business days, weekend days, and total calendar days.
Why use Business Days Calculator
Fast
Calculations run in your browser. No round trip to a server.
Private
Your inputs never leave your device. Nothing is uploaded.
Free
No signup, no paywall, no ads-in-results, no watermarks.
Accurate
Uses standard calendar arithmetic where applicable. Check critical schedules, payroll, and official holiday dates before relying on results.
Mobile-ready
Optimised for phones, tablets, and desktops alike.
Transparent
Honest disclaimers wherever browser limits or regional rules apply.
Common uses
Use it when counting working days for payroll
Use it for SLA and turnaround estimates
Use it when excluding weekends from a deadline
Use it for onboarding and notice periods
Use it for delivery and lead-time estimates
Use it when a deadline skips weekends
Technical notes
Business Days Calculator counts the business days between the two dates by including weekdays (Monday–Friday) and skipping weekends.
Calculations use the calendar only and do not adjust for time-zone shifts unless a field asks for a zone.
Results are rounded for display; the underlying calculation keeps full precision.
FAQ
Are weekends included?
No. Only Monday through Friday are counted; Saturdays and Sundays are reported separately as weekend days.
Is the count inclusive of both dates?
Yes. Both the start and end dates are included when they fall on a weekday.
Does it account for public holidays?
No. It counts weekdays only and does not subtract holidays — use a holiday calendar for those.
Does the Business Days Calculator send my data to a server?
No. The Business Days Calculator runs entirely in your browser — your inputs never leave your device, and nothing is uploaded or stored.
Worked example
From Monday 1 to Friday 12 of a month spanning two weeks, excluding the two weekends, there are 10 business days.