About the Units
exameter (Em)
A very large length unit equal to 10^18 meters.
atomic unit of length (a.u. of length)
A reference unit of length used in quantum mechanics and atomic physics.
Common Conversions
- 1 Em = 1.889726e28 a.u. of length
- 5.2917724e-29 Em = 1 a.u. of length