16m

16m is a compact form that most often denotes a length of sixteen metres. The metre, symbol m, is the base unit of length in the International System of Units (SI).

Numerical values written with m usually express distance or size when accompanied by a unit; 16m equals 1,600 centimetres (cm) or 16,000 millimetres (mm). In common imperial units, 16 metres is about 52.5 feet and roughly 0.0099 miles.

Beyond measurements, "16m" can appear in product codes, model numbers, or file names where context determines its meaning. For example, manufacturers may label versions or components with alphanumeric strings that include 16m to indicate a series, size, or specification. In such cases, the numeric prefix has no universal meaning outside that context.

Because "16m" is ambiguous without context, it should be clarified when encountered in text or data. Related topics include the metre as a unit, conversion between metric and imperial units, and the broader practice of using abbreviated unit symbols in technical notation.