Nanometer is definitely smaller then a meter.
The smaller Nano meters in SI system does not exist. 1 nanometer = 0.000000001 meter
There is the micrometer and the nanometer(1 billionth of a meter)
yes ,micrometer ,nanometer ,picometer,faro meter are smaller than millimeter.
Restate the question: What unit is 10-9 of a meter?A nanometer (nm)
A nanometer is 10^-9 meter, whereas a micrometer is 10^-6 meter. So a nanometer is 1000th of a micrometer. A nanometer is smaller.
Units of measure that are smaller than a meter include:decimeter (dm) but rarely usedcentimeter (cm)millimeter (mm)micrometer (um)nanometer (nm)picometer