The live Bitcoin price today is $42 032,02 USD with a 24-hour trading volume of $81 446 339 485 USD. We update our BTC to USD price in real-time. Bitcoin is down 2,15% in the last 24 hours. The current CoinMarketCap ranking is #1, with a live market cap of $795 364 605 968 USD. It has a circulating supply of 18 922 825 BTC coins and a max. supply of 21 000 000 BTC coins.