Calculation process:

Because 1 kg = 2kg, 1 kg =1000g.

So 2 kg = 1 000g,1kg = 500g.

Because 1 kg = 10.

So? 10 Liang = 500g, 1 Liang = 50g.

According to current standards, one catty is equal to twelve, because the decimal system is commonly used in modern society.

In ancient times, when the idiom "half a catty is eight taels" was invented, one catty was equal to sixteen taels. At that time, hexadecimal was used.

"Half a catty and eight taels" means equal to each other and equal in strength. ? "Half a catty" and "evenly matched" both mean equal to each other regardless of height. However, "half a catty and eight taels" focuses on describing the same level; "Even" focuses on describing equal strength, which is mainly used to describe equal strength between the enemy and ourselves.

Extended data:

Other weight units in China:

Since a long time ago, baht, Liang, Jin, Jun and Shi have all been used as units of weight. However, in ancient times, there were different opinions about the unit of weight. Since the five units of baht, Liang, Jin, Jun and Shi were named as the five powers in Records of the Laws of Han Dynasty, the names began to be unified until the Tang Dynasty. Its carry method is: 24 baht is two, 16 liang is Jin, 30 Jin is Jun, and 4 Jun is stone.

Since the Tang Dynasty, "money" has been regarded as a unit of weight, and it has been stipulated that ten money is one or two. Since the song dynasty, it has been designated as a small unit of money. In the Song Dynasty, the names of baht, corn and millet were abandoned, and the names of their weight units were stone, jun, Jin, Liang, money, fen, Li, milli, silk and sudden in descending order. Song system measurement has been used until Yuan, Ming and Qing Dynasties.

Baidu encyclopedia-Jin

Baidu encyclopedia-two