> For the complete documentation index, see [llms.txt](https://docs.inforiver.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inforiver.com/formula-syntax/text-formatting-functions/length.md).

# LENGTH

The **LEN** function returns the total number of characters in a text string, including letters, numbers, spaces, and special characters. It is commonly used to measure text length, validate input, or prepare data for further processing.

### Syntax

```
LEN(text)
```

### Arguments

text- The text string or cell reference whose length you want to calculate. Required.

### **Return value**

A numeric value representing the total number of characters in the text.

### **Example**

```
LEN([Product Name])
```

In the example below, the **LEN** function calculates the length of the *First Product Name* field. The function returns the number of characters in each product name, including letters, spaces, and punctuation. This helps analyze or filter data based on text length.

<figure><img src="/files/VfWASSeaPRD3foVN66Vf" alt=""><figcaption><p>Applying len function</p></figcaption></figure>

### **Excel equivalent**

[**Length**](https://support.microsoft.com/en-us/office/len-function-29236f94-cedc-429d-affd-b5e33d2c67cb)


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