Business days calculator

Client

Count weekdays between a start and end date—both dates inclusive. For calendar-day spans or age math, see date difference.

About Business days calculator

Count weekdays (Mon–Fri) between two calendar dates—inclusive, computed in your browser. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

22 business days

Nearby workflows on Toolcore

  • ISO week number — ISO 8601 week number and Monday–Sunday bounds for any calendar date—local browser calculation. when the same instant should appear as epoch, zone, or cron.
  • Date difference — Calendar days between two dates—pair with the timestamp or unit tools as needed. when the same instant should appear as epoch, zone, or cron.
  • Unix timestamp converter — Epoch to date: seconds, milliseconds, ISO-8601, UTC and local time—in browser. when the same instant should appear as epoch, zone, or cron.
  • World clock & time zones — Compare IANA time zones side by side with the same instant—no server round-trip. when the same instant should appear as epoch, zone, or cron.

Common use cases

  • Estimate delivery windows that skip weekends for internal planning.
  • Check SLA day counts before accounting for public holidays manually.

Common mistakes to avoid

  • Expecting public holidays to be excluded

    Only Saturday and Sunday are skipped—bank holidays are not built in.

FAQ

Are start and end dates included?

Yes. Both boundary dates count when they fall on a weekday.

Is data uploaded?

No. The count runs entirely in your browser.

More tools

Related utilities you can open in another tab—mostly client-side.