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