About the Units
kilometer (km)
A standard length unit equal to 1000 meters, commonly used for distances.
yoctometer (ym)
The smallest theoretically conceived length unit.
Common Conversions
- 1 km = 1e27 ym
- 1e-27 km = 1 ym
Convert from kilometers to yoctometers
Conversion Information
To convert from kilometers to yoctometers, multiply by 1e27
1 km = 1e27 ym