About the Units
kilometer (km)
A standard length unit equal to 1000 meters, commonly used for distances.
fermi (fermi)
A small length unit used in nuclear physics.
Common Conversions
- 1 km = 1000000000000000000.0 fermi
- 1e-18 km = 1 fermi
Convert from kilometers to fermis
Conversion Information
To convert from kilometers to fermis, multiply by 1000000000000000000.0
1 km = 1000000000000000000.0 fermi