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How to Calculate Working Days (Excluding Weekends) in Google Sheets

 The Introduction

If you are tracking project timelines, shipping schedules, or employee leave, you know how crucial it is to measure time accurately.

If a team member starts a task on a Friday and finishes it the following Monday, a standard subtraction formula (End Date - Start Date) will tell you it took 3 days. But in reality, your team only logged 2 actual working days because they were offline over the weekend!

Counting calendar days instead of business days messes up your productivity metrics and project planning. Fortunately, Google Sheets has a built-in formula called NETWORKDAYS that automatically strips out Saturdays and Sundays for you, giving you an exact count of business days instantly.

 


 

 

Step 1: Set Up Your Project Tracker

Let's build a clean, professional tracking layout. We will use safe, generic industry placeholders to show exactly how the timeline logic works:

  • A1: Project Name (e.g., Project Alpha, Project Beta, Project Gamma)

  • B1: Client Name (e.g., ABC Corp, XYZ Logistics, EFG Retail)

  • C1: Start Date (e.g., 2026-05-01)

  • D1: End Date (e.g., 2026-05-15)

  • E1: Actual Business Days (This is where our formula lives)

Step 2: Write the Basic NETWORKDAYS Formula

The NETWORKDAYS function is incredibly simple. It only needs two main ingredients: your start date and your end date. The spreadsheet automatically knows to skip the weekends between those two points.

Click on cell E2 (next to your first project row) and enter this formula:

=NETWORKDAYS(C2, D2)

Press Enter, and the spreadsheet will instantly return the exact number of working days, completely ignoring Saturdays and Sundays. You can drag the bottom-right corner of cell E2 down to apply it to your entire column in seconds.

Step 3: Advanced Trick — Subtracting Public Holidays

What happens if there is a public holiday (like New Year's Day or Independence Day) during your project timeline? A standard weekend filter won't catch that, but NETWORKDAYS allows you to add a custom list of holiday dates to exclude.

  1. Create a small, separate list of official holiday dates anywhere on your sheet (for example, type your holiday dates into cells G2 to G5).

  2. Update your main formula in cell E2 to look like this:

=NETWORKDAYS(C2, D2, $G$2:$G$5)

(Note: Notice how we used the absolute dollar sign padlocks $G$2:$G$5? This ensures your holiday list stays locked in place when you drag the formula down the rest of your project rows!)

Conclusion

Using the NETWORKDAYS formula completely removes the guesswork from operations tracking. It ensures your client updates for companies like Acme Corp stay 100% accurate and realistic based on your actual operating hours.

Try setting up a business day tracker for your active timelines this week! Are you working with an international team that observes weekends on different days (like Friday and Saturday)? Leave a comment below and we can look at the advanced NETWORKDAYS.INTL function together.

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