How long is one foot, three feet and one foot?

How long is one foot, three feet and one foot?


In Han Dynasty, one foot equals 23.1 cm, in Wei and Jin Dynasties, 26.7 cm in Sui and Tang Dynasties, and 30.72 cm in song and Yuan Dynasties
Ten feet is one foot
Because of the different age, so the length is not the same!
Concrete analysis of specific problems!



How long is it? How many meters


33 m



How many meters


One foot is three and one third of a meter
One meter is three feet, so one foot is ten feet