Convert foot (French metric) to x unit
Selected category: length.
Definition and details for foot (French metric):
In 1799 meter became the official unit of length in France. So French metric foot, or "pied metrique" was defined as one third of a metre and it was in use until 1837.
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.