About the Units
zeptometer (zm)
An incredibly tiny length unit beyond standard measurement scales.
yoctometer (ym)
The smallest theoretically conceived length unit.
Common Conversions
- 1 zm = 999.99994 ym
- 0.001 zm = 1 ym
Convert from zeptometers to yoctometers
Conversion Information
To convert from zeptometers to yoctometers, multiply by 999.99994
1 zm = 999.99994 ym