xl

XL is a versatile term used as an abbreviation and symbol across different domains, and its meaning depends on context. It can denote size, numerals, branding, and corporate names, among other uses.

In clothing and fashion, XL denotes extra large, a size larger than large. Sizing standards vary by brand and region, so measurements are not universal and should be checked on a per-item basis.

In Roman numerals, XL represents the number 40. It is formed by placing X before L in subtractive notation, indicating 50 minus 10.

In branding and consumer products, XL commonly signals an enhanced or larger version, such as extra quantity, extended duration, or premium variants. Notable examples include XL Recordings, a British independent record label, and various products that use XL to convey increased capacity or capability.

In business and finance, XL Group plc referred to a global insurer and reinsurer; after being acquired by AXA, the unit operates under the name AXA XL. This reflects a trend of consolidating branding under parent companies while retaining the XL designation.

In computing, XL is sometimes shorthand for Microsoft Excel, the spreadsheet program, though the file formats are typically .xls or .xlsx. The term may appear in discussions, filenames, or branding related to spreadsheets.

Other uses include pharmaceutical contexts where XL can indicate extended-release formulations on product labeling, as well as general branding that leverages the sense of “extra” or “large.” Overall, XL is a cross-domain signifier whose interpretation requires context.