Convert si (Chinese) to millimicron
Selected category: length.
Definition and details for si (Chinese):
Si is a Chinese unit of length equal to 1/100000 chi (Chinese foot) or 3.33 µm.
Definition and details for millimicron:
Millimicron (mµ) was used in past as a metric unit of distance equal to 0.001 micron. Now it's been replaced by its equivalent, the nanometer.