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Bitcoin Unit Converter

Instantly convert Bitcoin amounts between BTC and its smallest unit, the Satoshi. On Bitcoin, 1 BTC = 10^8 Satoshi, so a single rounding mistake can be costly — this tool keeps every denomination exact.

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BitcoinEthereumSolanaBNB Smart Chain (BSC)TronTONSUIBaseArbitrumAvalanche C-ChainPolygon

* 1 BTC = 100,000,000 Satoshi.

Understanding Bitcoin units

The native asset of Bitcoin is BTC, divisible into 8 decimal places. The smallest indivisible unit is the Satoshi. Smart contracts, RPC responses, and on-chain transactions almost always use Satoshi, while wallets and exchanges display BTC — converting between them correctly is essential for developers and traders alike.

Bitcoin denomination table

UnitValue in Satoshi
BTC100,000,000
mBTC (Milli-bitcoin)100,000
Bits (μBTC)100
Satoshi (sat)1

Why convert Bitcoin units?

Whether you are debugging a transaction, setting gas values, reading uint256 contract data, or simply checking a balance, working in the right Bitcoin denomination prevents expensive mistakes. This converter handles BTC, Satoshi, and all intermediate units with full precision.