Bitcoin Converter: BTC ↔ Satoshi ↔ USD

Type in any field and the others update instantly — using the live price. You can also pick another coin (ETH, USDT, BNB, SOL, XRP, DOGE); the satoshi field shows only for Bitcoin.

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What is a satoshi?

A satoshi (sat) is the smallest unit of Bitcoin — 1 BTC = 100 million satoshis, named after Bitcoin’s creator Satoshi Nakamoto. The useful takeaway: you never need to buy a whole coin — even a few dollars buys you thousands of sats.