Convert Centimeter (cm) to Long Reed (long reed) instantly.
About these units
Centimeter (cm)
The centimeter, 1/100 of a meter, strikes a balance between precision and ease of communication, making it indispensable in everyday life. Its size is well-matched to human-scale objects—furniture, body dimensions, school supplies, and clothing—so people in metric countries regularly estimate or visualize lengths in centimeters without tools. Many professions rely heavily on centimeters, including medicine (wound sizes, tumor dimensions), tailoring, building trades, and interior design. In science, centimeters serve as a practical unit for measurements too small for meters but too large for millimeters. Biologists, for example, may measure specimen sizes or growth stages in centimeters. Its intuitive scale and decimal alignment with meters ensure that both laypeople and professionals can convert easily among related units.
Long Reed (long reed)
The long reed is a traditional unit of length used in Egypt and other ancient cultures, roughly equivalent to 2 cubits. It was employed in surveying, architecture, and the measurement of agricultural fields. The unit's length made it suitable for laying out longer distances with relatively few measurements, especially in river valley contexts where precision at large scales was important for irrigation and crop management. Historical records show the long reed in use for temple construction, pyramidal measurements, and land division, illustrating the practical integration of human-based units into early engineering practices.