Australia GST Calculator (Add or Remove 10% GST & BAS)
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Business / Working Days Calculator
Count Monday-to-Friday working days only.
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About Business / Working Days Calculator
Count weekdays between two dates, excluding weekends and an optional list of holidays.
📐 Methodology & Reference Accuracy:
Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Background reading: Business Days on Wikipedia. More: all calculators.
Frequently Asked Questions about Business / Working Days Calculator
How do I use the Business / Working Days Calculator?
Open the Business / Working Days Calculator and use the controls in the workspace below: count monday-to-friday working days only. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Is the Business / Working Days Calculator free?
Yes. The Business / Working Days Calculator is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
Does the Business / Working Days Calculator store or share my data?
No. The Business / Working Days Calculator runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
What can I use the Business / Working Days Calculator for?
Count weekdays between two dates, excluding weekends and an optional list of holidays. You will find it grouped under Calculators together with 116 other free tools on the PrimeFreeTools homepage.
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