The compilers of the Big Mac Index estimated the dollar exchange rate at 23 rubles
The Economist magazine, based on the latest Big Mac Index , concluded that the Russian ruble is the most undervalued currency among those analyzed by the authors. According to the publication's calculations, the official exchange rate of the ruble against the dollar is understated by 70%. In Russia, as of January 2022, a McDonald's burger costs 135 rubles, and in the US it costs $5.81, or about 444 rubles.