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How to Use the LEN Function in WPS on Windows

Last updated:July 13, 2026

This how-to guide includes 3 topics: inserting LEN from the Insert Function dialog, typing the formula directly, and checking syntax and parameter details; all 3 topics are available without membership and 0 are membership-related.

How-to Index

No.TopicMembership Requirement
11. Insert LEN from the Insert Function dialogFree
22. Type the formula directly in a cellFree
33. Check syntax and parameter detailsFree

How-to Guide

1. Insert LEN from the Insert Function dialog

Entry point: Formula 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 Formula tab.
  3. Search for LEN in the dialog box.
  4. Select the function and click OK.
  5. Enter the required parameter in the Function Arguments dialog.
  6. Click OK to insert the formula.

Success Criteria

  • Interface result: The target cell now contains the LEN function.
  • What you can do next: You can continue editing the argument or press Enter to confirm the result.

Tips While Using

  • You can search with either uppercase or lowercase LEN.
  • The argument should be the text value or the cell reference whose length you want to count.

2. Type the formula directly in a cell

Entry point: Cell → Formula bar

  1. Select the cell where you want to enter the formula.
  2. Type =LEN(...) directly in the cell or in the formula bar.
  3. Press Enter to confirm.
  4. If needed, review the function structure while typing in the formula bar.

Success Criteria

  • Interface result: The cell returns the character count for the target text.
  • What you can do next: You can fill down or copy the formula to other cells.

Tips While Using

  • The formula must start with an equals sign =.
  • Text constants should be enclosed in straight double quotation marks.

3. Check syntax and parameter details

Entry point: Formula tab → Insert Function

  1. Click Insert Function on the Formula tab.
  2. Search for LEN.
  3. Select the function and review the syntax and parameter area.
  4. Confirm the argument format before inserting the function.

Success Criteria

  • Interface result: You can see the LEN function name, syntax, or parameter description area.
  • What you can do next: You can insert the function and start calculating immediately.

Tips While Using

  • Reviewing the syntax first can reduce formula-entry errors.
  • If the result is different from what you expect, check whether the referenced text contains spaces.