Question

Why can pace or footstep not be used as a standard unit of length​

Answer 1

Answer:

A pace or a footstep cannot be used as a standard unit of length because the length of footstep, forearm length and hand span of different person is different. ... So footsteps and other such measuring systems cannot be use as standard unit.

Answer 2

Answer:

because one's footstep can be bigger than someone else's. Everyone has their own footstep so it's not convinient for us to use it as a standard unit of length.