A tape measure is a flexible ruler used to measure length or distance. It typically consists of a long, narrow strip made of materials like fiberglass, cloth, or coated steel, marked with units of measurement such as inches, feet, or centimeters. The tape is often retractable and housed in a compact case for easy storage and portability. Tape measures are commonly used in construction, tailoring, engineering, and everyday measuring tasks due to their durability and ease of use.