Bitcoin unit converter
Convert between bitcoin units at once: BTC and satoshi. Type a value into any field and the others update instantly using the exact 10^8 relationship between bitcoin and its base unit.
| satoshi | 100000000 |
| microbtc | 1000000 |
| millibtc | 1000 |
| btc | 1 |
すべてブラウザ内で実行されます。API キー不要、データはこのページから出ません。
The bitcoin unit ladder
Bitcoin has one base unit in everyday use. 1 BTC = 100,000,000 satoshi (10^8). The satoshi, named after bitcoin's creator, is the smallest indivisible amount. Some interfaces also show intermediate units like the bit (100 satoshi), but satoshi and BTC cover almost all developer work.
Where you hit this in real work
Node RPC and exchange APIs report amounts in satoshi to keep them as integers, while users read balances in BTC. A converter that shows both at once lets you sanity-check a UTXO value against a displayed balance without dividing by 100,000,000 by hand.
よくある質問
What units does bitcoin use?
The main units are BTC and satoshi, where 1 BTC equals 100,000,000 satoshi (10^8).
What is a satoshi?
The smallest unit of bitcoin, equal to 0.00000001 BTC. It is the indivisible base amount used in on-chain calculations.
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