To purchase USDT for rubles, use USDT exchangers
USDT/ETH Calculator Tether to Ethereum
Price of 1 Tether today (7 January)
Ξ 0.00031
-0.0297%
USDT 
BTC
USD
RUB
EUR
GBP
ETH
LTC
BCH
BNB
BUSD
SOL