About the Units
meter (m)
The fundamental SI unit of length, defined by the speed of light in a vacuum.
zeptometer (zm)
An incredibly tiny length unit beyond standard measurement scales.
Common Conversions
- 1 m = 1e21 zm
- 1e-21 m = 1 zm
Convert from meters to zeptometers
Conversion Information
To convert from meters to zeptometers, multiply by 1e21
1 m = 1e21 zm