It is about 1.616255×10−35 m or about 10−20 times the size of a proton. It is one of the Planck units, defined by Max Planck. It is an important length for quantum gravity because it may be the size of the smallest black holes.
In conclusion, anything smaller than a planck is useless.
Related pages[change | change source]
References[change | change source]
- Baez, John. "The Planck Length".