How long are the ancient inches, rulers and rulers?

Zhang: During the Ming and Qing Dynasties, carpentry was 3 1 1 cm.

It turns out that Zhang is a staff, holding a stick in his hand. After being used as a quantifier, it is ten feet. Husband said that the weekly system is eight inches, ten feet and eight feet long, so it is called husband.

Inch: 10 inch equals 1 foot, 1 inch is about 3.33 cm, and 1 meter equals 30 inches.

Inch is a traditional unit of length in our country, which is expressed in decimal by "feet" and "feet" (10 inch = 1 foot, 10 foot = 1 foot). Used in Korea to indicate the number of relatives, for example, 1 inch indicates the relationship between two generations of immediate relatives. Hong Kong laws follow the ancient system (1 inch =3.33 cm).

Ruler: A carpenter's ruler in Ming and Qing Dynasties was 365,438+0.65,438+0 cm.

A ruler is a unit of length, which is called "city ruler" in China (three feet equals one meter in modern times) and "ruler" in Britain. Sometimes we also call the tools for measuring length rulers, such as "bamboo ruler" and "steel ruler".

China unit

The traditional units of length in China are Li, Zhang, Chi, Inch, Xun, Jie, Fu, Zhi, Yi, Bu, Chang, Ya, Yan, Ji, Rail, Luo, Millimeter, Li and Min.

The basic conversion relationships are as follows: 1 foot = 1 foot, 1 foot = 1 inch = 10 minute, 1 minute =/kloc-0. 1 km = 1000 m, 1 m (m)= 100 cm,1cm (cm) =10 mm1li =/kloc.