aln Unit Converter

Definition of aln unit

An aln is a traditional Scandinavian unit of length, historically based on the distance from the elbow to the fingertips, comparable to a cubit or ell. Its exact value varied regionally, but the Swedish aln is conventionally about 0.594 metre.

History of aln unit

The aln derives from ancient body-based measures, especially the cubit, and was used across Scandinavia during the medieval and early modern periods. Written forms include Swedish aln, Danish and Norwegian alen, and Icelandic alin. Because authorities and communities preserved different standards, its length differed by place and period. Sweden formally standardized the aln at 2 Swedish feet, approximately 0.5938 metre, in the seventeenth century. Metrication during the nineteenth century displaced it in official trade and administration, although historical alns remain important in interpreting legal records, land descriptions, and traditional crafts.

Applications of aln unit

Today, the aln appears mainly in historical, genealogical, and conservation research, where scholars convert old Scandinavian measurements found in property deeds, building accounts, and tax records. Museums and heritage projects may use it when explaining regional architecture, textiles, or craftsmanship. For modern comparison, an aln is usually reported with its national historical value and an approximate metric equivalent.

Complete list of aln unit conversion