How to Use the WEEKNUM Function in WPS on Windows

Use WEEKNUM through 3 how-to topics, all available without membership, and choose the method that matches your worksheet workflow.

How-to Index

How-to Guide

1. Insert WEEKNUM from the Insert Function dialog

Entry path: Formulas tab → Insert Function

1. Select the cell where you want to enter the formula.
2. Click the fx button in the formula bar, or click Insert Function on the Formulas tab.
3. Search for WEEKNUM in the dialog box.
4. Select the function and click OK.
5. Enter the required arguments in the function arguments dialog.
6. Click OK to insert the function.

Success Criteria

• Interface result: The target cell now contains a WEEKNUM formula.
• Next action: You can continue editing arguments, press Enter, or fill the formula down.

Tips While Using

• Common mistake: A misspelled function name can make the function harder to find.
• Environment note: Open a worksheet in WPS Spreadsheet before starting.

2. Type the WEEKNUM formula directly in a cell

Entry path: Cell → Formula bar

1. Select the cell where you want to enter the formula.
2. Type =WEEKNUM(...) directly in the cell or in the formula bar.
3. Press Enter to confirm.
4. If you want to review the argument prompt, type =WEEKNUM( and press F1.

Success Criteria

• Interface result: The cell returns the week number for the date.
• Next action: You can copy the formula to other cells for batch calculation.

Tips While Using

• Common mistake: Incomplete parentheses or separators can prevent the formula from calculating.
• Environment note: The referenced value should be a valid date or a recognized date serial value.

3. Review WEEKNUM syntax and arguments

Entry path: Formulas tab → Insert Function

1. Click Insert Function on the Formulas tab.
2. Search for WEEKNUM.
3. Select the function and review the syntax: WEEKNUM(serial_number, [return_type]).
4. Confirm the date argument and the week-start setting from the argument description.
5. If you need more detail, continue to the related help entry from the function help area.

Success Criteria

• Interface result: You can see the function name, syntax, and argument area for WEEKNUM.
• Next action: You can return to the worksheet and enter or revise the formula.

Tips While Using

• Common mistake: Ignoring the optional return_type argument can produce a different week-start rule than expected.
• Environment note: Keep date formats consistent across the worksheet for easier result checking.