Convert x unit to mile (ancient Roman)
Selected category: length.
Definition and details for x unit:
X unit (Xu) is a unit of length used for measuring the wavelength of x-rays and gamma rays. This unit is approximately 1.0021 x 10-13 meter.
Definition and details for mile (ancient Roman):
A mile was the distance a Roman legion could march in 1000 paces or 2000 steps. Pace is the distance between successive falls of the same foot. Measured distance between surviving milestones of Roman roads is often closer to 1520 meters.