How long is the typical length of fluorescent lamps?

The typical length of fluorescent lamps can vary, but one of the most common lengths found in many applications is indeed 24 inches. This size is prevalent in commercial and industrial settings, where they are often used in fixtures designed for their specific dimensions. Fluorescent tubes come in a variety of lengths, including 2-foot (24 inches), 4-foot, and more, but the 24-inch variant is particularly common for applications such as office lighting and retail displays.

In contrast, the other lengths mentioned – 3 inches, 6 inches, and 12 inches – are not standard sizes for fluorescent lamps. While compact fluorescent lamps might exist in shorter lengths, the standard tubes used in most fixtures for general lighting are typically longer, making 24 inches the most accurate choice for this question.