nLab
femtometer

Contents

Definition

A femtometer (abbreviated fmfm) is the length of one 10 1510^{15}th of a meter.

The radius of the proton is about 0.8fm0.8 fm.

References

Revised on August 22, 2013 11:23:59 by Urs Schreiber (24.131.18.91)