What is a laser level used for?

A laser level is primarily used to ensure accurate leveling for construction and installation tasks. It projects a horizontal or vertical beam of laser light that creates an easily visible reference line, helping professionals achieve precise alignments and elevations. This feature is critical in construction projects where accurate leveling is needed to ensure that structures are built correctly and fixtures are installed properly.

While measuring length accurately is essential in construction, this is typically done with tools like measuring tapes or laser distance meters rather than a laser level. The primary function of a laser level is not to provide lighting in dark areas, although the laser can be visible in some environments; it is not designed to serve as a light source. Similarly, while a laser level can help in marking straight lines, its main purpose is to establish level or plumb reference points rather than serving solely as a marking tool. Thus, ensuring accurate leveling remains the core application of a laser level in construction.