What is a nanometer?

Definition
nm

The nanometer (nm) is a metric unit equal to one billionth of a meter, used in nanotechnology, biology and physics to measure wavelengths of light and atomic structures.

Unit system
Metric
All length units
UnitSymbolSystem
nanometers nm Metric
micrometers μm Metric
millimeters mm Metric
centimeters cm Metric
meters m Metric
kilometers km Metric
inches in Imperial / US
feet ft Imperial / US
yards yd Imperial / US
miles mi Imperial / US
nautical miles nmi Nautical & Aviation
light years ly Scientific & Astronomical