Units & Math

What is mBTC? Millibitcoin Explained Simply

mBTC stands for millibitcoin — one thousandth of a Bitcoin. Here's what it means, how to convert it, and when you'll encounter it.

What does mBTC mean?

mBTC stands for millibitcoin — one thousandth of one Bitcoin. The “m” prefix follows the standard metric convention, the same way a millimeter is one thousandth of a meter.

1 mBTC = 0.001 BTC = 100,000 satoshis

At $96,000 per Bitcoin, one mBTC is worth approximately $96.

Quick conversion

To convert mBTC to BTC, divide by 1,000. To convert BTC to mBTC, multiply by 1,000.

mBTC to USD conversion

The dollar value of mBTC changes with the Bitcoin price. Here are reference values at different price levels:

BTC Price1 mBTC value10 mBTC value100 mBTC value
$50,000$50.00$500.00$5,000
$75,000$75.00$750.00$7,500
$96,000$96.00$960.00$9,600
$100,000$100.00$1,000.00$10,000
$150,000$150.00$1,500.00$15,000

Use the BitcoinUnit converter for the exact live rate.

mBTC to satoshis

One mBTC equals exactly 100,000 satoshis. This is a fixed conversion that never changes — it is defined by the Bitcoin protocol.

mBTCSatoshisAt $96,000
0.1 mBTC10,000 sats$9.60
1 mBTC100,000 sats$96.00
10 mBTC1,000,000 sats$960.00
100 mBTC10,000,000 sats$9,600
1,000 mBTC100,000,000 sats$96,000 (= 1 BTC)

When will you encounter mBTC?

mBTC was more commonly used in Bitcoin’s early years when the price was lower and whole BTC amounts were more practical. Today you might see mBTC in:

Most modern applications have moved toward satoshis as the preferred sub-unit for small amounts.

The shift to sats

The Bitcoin community has largely moved to satoshis for everyday amounts. Lightning Network apps, Square, and most modern wallets use sats. If you see an amount in mBTC, you can always convert it: multiply by 100,000 to get satoshis.

Is mBTC the same as a millibitcoin?

Yes — mBTC and millibitcoin are two names for the same unit. mBTC is simply the abbreviated form. You may also occasionally see it written as “millibit” though this is less common.

Other Bitcoin unit abbreviations

While you are here, here is a quick reference for all Bitcoin unit abbreviations:

AbbreviationFull nameValue
BTCBitcoin1 BTC
mBTCMillibitcoin0.001 BTC
μBTCMicrobitcoin (bit)0.000001 BTC
satSatoshi0.00000001 BTC