= FastCalcs

Date & Time

Business Days Calculator

Count working days between two dates, with an option to include Saturdays.

Business Days inputs

Estimate working days for delivery, projects, invoices, and deadlines.

Business days 0
Weekend days 0
Calendar days checked 0

Formula

The calculator loops through the date range and counts Monday through Friday as business days, or Monday through Saturday when Saturdays are included.

Example

A 30-day span usually contains about 21 or 22 business days.

Result notes

  • Results are estimates based on the values you enter.
  • Calculators with schedules show how values change over time.
  • For financial, health, or construction decisions, compare these estimates with professional advice when needed.

Frequently asked questions

Does this include holidays?

No. This version excludes weekends only and does not use a holiday database.

Can I include the end date?

Yes. Use the include end date setting.

Why no holiday database?

The site is designed to work without external databases, keeping results fast and transparent.

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