640 RUB to USD

To convert 640 Russian Rubles into the US Dollars, we use the live exchange rates as of 13:51 today. 640 Rubles equals 7.8775 Dollars. Currency online exchange rates from are updated every 5 minutes.
640 Russian Rubles to the US Dollar currency converter chart shows the dynamics of changes of the Ruble against the Dollar. Today the cost of 640 RUB in USD is equal to 7.8775 USD, for 7 days the value has changed to -0.2229%.

1 Ruble = 0.0123 USD
The calculation of the value of 640 Russian Rubles into US Dollar is based on live exchange rates of the live exchange rates today, 2025-10-23, and is 7.8775 USD.

For convenience, the chart shows fluctuations in the Ruble against the Dollar quotations for the previous day, week, month, and year. Over the past month, the Ruble reached its maximum on 2025-10-15, and was worth 8.1375 USD, and the minimum on 2025-09-25, when it was 7.6236 USD.
The chart shows 640 Russian Rubles to US Dollars dynamics. It allows us to find out the exchange rate of the pair for a specific day or period. You can switch to see the rates for the last 3 or 6 months or a year and using the information, make approximate short-term forecasts of the Russian Ruble to the US Dollar rates.