About the Units
millimeter (mm)
A tiny length unit equal to 0.001 meters, used in precision engineering.
yoctometer (ym)
The smallest theoretically conceived length unit.
Common Conversions
- 1 mm = 1e21 ym
- 1e-21 mm = 1 ym
Convert from millimeters to yoctometers
Conversion Information
To convert from millimeters to yoctometers, multiply by 1e21
1 mm = 1e21 ym