Convert zettameter to femtometer
Selected category: length.
Definition and details for zettameter:
Zettameter (Zm) is a metric unit of distance equal to 1021meters. This is a little more than the diameter of our galaxy in which we live.
Definition and details for femtometer:
Femtometer (fm) is a metric unit of distance equal to one quadrillionth of a meter (10-15 m).