How many grams is "one or two" in ancient measurement?

In ancient times, twenty-four baht was one or two, and sixteen liang was one catty, but one or two in each period in ancient times was not fixed:

1, Qin and Western Han Dynasties, one kilogram is equivalent to 258.24 grams, and one or two is equivalent to 16. 14 grams;

2, Wang Mang and the Eastern Han Dynasty, Wei, Jin, Southern and Northern Dynasties, one catty is equivalent to 222.73 grams, and one or two is equal to 13.92 grams;

3. In the early years of Sui Dynasty, one kilogram was equivalent to 668.19g, and one or two was equal to 41.76g;

4. At the end of Sui Dynasty, one kilogram was equivalent to 222.73 grams, and one or two was equal to 13.92 grams;

5. From Tang Dynasty to Qing Dynasty, one catty is equivalent to 596.82 grams, and one or two is equivalent to 37.30 grams.

Extended data

In ancient times, twenty-four baht was one tael, and sixteen taels was one catty.

Ancient references:

1, Western Han Dynasty: Liu An's "Huainanzi Astronomical Training": "Twelve baht is half a tael, and the balance is around. Because of multiplication, twenty-four baht is one or two. "

Interpretation: Twelve baht is equal to half two, and the balance beam has left and right ends, so one more cup is needed, so twenty-four baht is one or two.

2. Han Dynasty: Liu Xiang's Shuo Yuan Bian Shi: "Sixteen millet is one bean, six beans are one baht, twenty-four baht weighs one or two, and sixteen ounces is one catty."

Interpretation: Sixteen millet (ten millet was the most important in ancient times) was one bean (four liters was one bean in ancient times), six beans were one baht, twenty-four baht was one liang, and 16 was two Jin.

3. The official history book "Song History and Law": "One or two, 24 baht, is 2,400."

Interpretation: One or two equals twenty-four baht, and the weight of two thousand four hundred millet.

References:

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