👉 Centum, also known as a centimetre or metre, is a unit of length in the metric system. It is defined as 100 millimetres (mm) or 100 micrometres (μm). The centum is an imperial unit and is used primarily for measuring distances. Centum is also known as a "centimetre" in some contexts, where it refers to the standard length of one centimetre. It is often used in