Convert from Paris foot to yoctometer

Unit Definition (Paris foot)
The Paris foot is an English name for the French royal foot (pied de roi).

Unit Definition (yoctometer)
The yoctometre (or yoctometer), symbol: ym, is a decimal fraction of a metre, from the International System of Units. One yoctometre is 1x10-24 (1e-24) in scientific notation. Very small!