What is a Satoshi?
A satoshi is the smallest Bitcoin unit. 1 BTC equals 100,000,000 sats.
Using sats makes smaller-value transactions easier to read and compare, especially for recurring buys.
BTC · SATS · FIAT
Enter any of the three fields (BTC, sats, fiat) and the other two values update automatically in real time.
Input any field and the other two update immediately.
A satoshi is the smallest Bitcoin unit. 1 BTC equals 100,000,000 sats.
Using sats makes smaller-value transactions easier to read and compare, especially for recurring buys.
BTC/fiat prices use CoinGecko as primary source with Coinbase Exchange Rates as runtime fallback. BTC/sats conversion uses Bitcoin's fixed unit definition.
This tool is for informational and educational purposes only. It is not financial advice.
CoinGecko uses aggregated market data. Final execution prices on exchanges can differ due to fees, spreads, and slippage.
Yes. Enter your fiat budget and check the implied BTC and sats values as a rough planning baseline.
BTC is useful for portfolio-level views, while sats make small increments easier to reason about.