Microbitcoin (µBTC)
Microbitcoin (µBTC) equals 0.000001 bitcoin (one millionth of a BTC). It has the same value as one bit — both are fixed 10⁻⁶ BTC denominations.
Microbitcoin and bit are interchangeable labels for the same denomination; this tool treats them as equal factors.
Satoshi (sat)
Satoshi (sat) is the smallest standard Bitcoin denomination — 0.00000001 bitcoin (10⁻⁸ BTC), named after Bitcoin's pseudonymous creator. Fixed factor, not a market price.
Satoshi is the precision unit for on-chain amounts and fee calculations — 100,000,000 satoshi always equals 1 bitcoin.