About the Units
cubic femtometer (fm³)
An extremely tiny volume unit used in particle physics.
cubic millimeter (mm³)
A tiny volume unit equal to 1/1,000,000,000 cubic meter, used in microscopic measurements.
Common Conversions
- 1 fm³ = 1.4012982e-36 mm³
- 7.13624e35 fm³ = 1 mm³