1 USD = 107.9870 Russian roubles.

1792 USD is in double standard of gold and silver. According to the Coinage Law promulgated that year, one dollar is equivalent to 37 1.25 grains (24.057 grams) of pure silver or 24.75 grains (1.6038 grams) of pure gold. Until 1873. A dollar worth 24.057 grams of silver is about the equivalent of a Spanish silver dollar. Because the U.S. government rarely minted one-dollar coins, before the Civil War, the Spanish silver dollar was one of the main currencies in circulation in the United States. Many American official and private banks also use Spanish silver dollars as reserves, and most Americans convert paper money into Spanish silver dollars.

After the first US Treasury Secretary took office, the US currency adopted the "gold standard". By the outbreak of World War I in 19 14, the gold standard was disintegrated because countries stopped importing and exporting gold. In the later period of the gold standard, the gold content of the US dollar was 1.50466 grams. 1934 65438+1October 3 1, and the gold content of one dollar is defined as 13.7 14 capsules (0.88867 1 g). The official price of gold rose from $20.67 to $35 an ounce. By the time 1934 dollars depreciated, the US government gradually recovered all kinds of coupons before 1922. The depreciated dollar cannot be cashed, and only foreign central banks can exchange gold for the United States at official prices.

1946 12 18, the international monetary fund officially announced that the gold content of the US dollar was 0.88867 grams. Later, due to the persistent deficit in the US balance of payments and serious inflation, the US dollar crisis deepened.

197 1 On August 5, 2008, US President Nixon announced the depreciation of the US dollar and stopped the exchange of US dollars for gold, and the Bretton Woods system began to collapse. In order to overcome the chaos in the international financial market, major capitalist countries negotiated repeatedly and finally reached the Smithsonian Institution Agreement in February. Its main contents are as follows: the dollar depreciated by 7.89% against gold, and the official price of gold rose from $35 to $38 per ounce; The range of exchange parity is expanded from 1% to 2.5%, the gold content of US dollar is reduced to 0.8 185 13g, and the SDR parity is reduced from 1: 1 to 1, which is equal to 65438. However, these measures failed to prevent the deterioration of the US balance of payments deficit and the US dollar crisis.

In February 1973, 12, the dollar depreciated again 10%, the gold content dropped to 0.73662 g, and the official price of gold increased to 42.22 USD/oz. The depreciation of SDR to $65438 +0.20635 equals $65438+0 "SDR". European countries and other major capitalist countries withdrew from the fixed exchange rate system one after another, and the fixed exchange rate system completely collapsed, and the exchange rate of the US dollar fluctuated. At this point, the dollar no longer has legal gold content.