LEN
Supported, behaves as documentedCategory: Text · Last tested 2026-08-06
Real, executed compatibility results for the LEN function across Microsoft Excel, Google Sheets, and LibreOffice Calc — verified by actually running it. Syntax and links to each vendor’s official documentation are below.
Support matrix
| Engine | Documented | Live-tested | Verdict |
|---|---|---|---|
| Excel | Yes | Not yet | n/a |
| Google Sheets | Yes | Not yet | n/a |
| LibreOffice Calc | Yes | Yes (25.8.7.3, 2026-08-06) | Supported, behaves as documented |
LibreOffice version history
We executed the same test cases under each LibreOffice release to show exactly when LEN’s support changed — not documentation claims, real results.
| LibreOffice version | Verdict | Tested |
|---|---|---|
| 24.2.0.3 | Supported, behaves as documented | 2026-07-19 |
| 24.8.7.2 | Supported, behaves as documented | 2026-07-19 |
| 25.2.0.3 | Supported, behaves as documented | 2026-07-24 |
| 25.8.7.3 | Supported, behaves as documented | 2026-08-06 |
Executed test cases
LibreOffice Calc 25.8.7.3 (tested 2026-08-06)
| Formula | Description | Result | Expected | Verdict |
|---|---|---|---|---|
| =LEN("Hello") | Basic character count | 5 | 5 | Matched |
| =LEN(A1) | A numeric cell value is coerced to text before its digits are counted | 5 | 5 | Matched |
| =LEN(" Hi ") | Leading and trailing spaces are counted as characters just like any other character | 6 | 6 | Matched |
| =LEN("") | Empty string has length 0 | 0 | 0 | Matched |
Docs & syntax
- Excel: official documentation
- Google Sheets: official documentation
- LibreOffice Calc: official documentation
Related how-to recipes
- How to capitalize only the first letter (sentence case)
- How to count characters in a cell
- How to count items in a comma-separated cell
- How to count occurrences of a substring in a cell
- How to count the total words in a range
- How to count the number of words in a cell
- How to extract the domain from an email address
- How to extract the last name from a full name
- How to extract numbers from text in a cell
- How to remove text before a character
- How to remove the first N characters from a cell
- How to reverse a text string
- How to truncate text with an ellipsis