How much is a stone of rice?

In different dynasties, the weight used to be different, but it was about 90 kilograms.

A stone of rice in the Song Dynasty is 59.2 kilograms today.

A stone in the Ming Dynasty was about 94.4 kilograms now.

Twenty-eight years after Hongwu, the price of rice in the Ming Dynasty was basically one or two silvers for two stone meters. "Ming Shi Shi Er": "So the household department decided: one ingot of banknotes, one stone of rice; One or two gold, ten stones; One silver and two stones. " A stone in the Ming Dynasty was about 94.4 kilograms now. According to the average price of rice in 2006 1.75 yuan/kg. One or two silver 2*94.4*2* 1.75=660.8 yuan. It costs more than 660 yuan to buy a steamed bread on the side of a small street, which is too expensive.