How many decimal places can a bitcoin be divided into?

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How many decimal places can a bitcoin be divided into? A bitcoin can be divided into 8 decimal places.

The smallest standard unit in Bitcoin is the satoshi, equal to 0.00000001 BTC, or one hundred-millionth of a bitcoin. Therefore, one bitcoin contains 100,000,000 satoshis. This precision allows the network to represent very small payments without requiring fractional physical coins.

Other commonly used denominations are the millibitcoin, or mBTC, equal to 0.001 BTC, and the microbitcoin, sometimes called a bit, equal to 0.000001 BTC. One mBTC contains 100,000 satoshis.

The number eight refers to Bitcoin’s protocol precision, not the number of digits that can appear in every wallet display. Exchanges and wallets may show fewer or more trailing digits for convenience, but amounts are ultimately recorded in integer satoshis. A satoshi is named after Satoshi Nakamoto, the pseudonym associated with Bitcoin’s creator.

Source: Wikipedia · fact-checked Sept. 2026

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