The live Bitcoin price today is $42,901.19 USD with a 24-hour trading volume of $21,886,116,006 USD. We update our BTC to USD price in real-time. Bitcoin is down 1.27% in the last 24 hours. The current CoinMarketCap ranking is #1, with a live market cap of $813,238,196,647 USD. It has a circulating supply of 18,956,075 BTC coins and a max. supply of 21,000,000 BTC coins.