Converters

Satoshi โ†” BTC โ†” USD Converter

A satoshi is the smallest unit of bitcoin: one hundred-millionth of a BTC. Prices, Lightning payments and exchange minimums are often quoted in sats, while wallets show BTC and you think in dollars. Type into any of the three fields โ€” satoshis, bitcoin or US dollars โ€” and the other two update. Conversions between sats and BTC use exact integer math, so you never get rounding errors like 0.30000000000000004.

Quick reference

satBTCUSD
10.00000001โ€”
1000.000001โ€”
1,0000.00001โ€”
10,0000.0001โ€”
100,0000.001โ€”
1,000,0000.01โ€”
10,000,0000.1โ€”
100,000,0001โ€”

How to use the sats converter

Type an amount in satoshis, BTC or USD. The dollar value uses the live BTC price from our ticker when available; you can override it with any price โ€” useful for โ€œhow many sats is $10 if bitcoin hits $100,000?โ€. The quick reference table below the converter shows common amounts from 1 sat to 1 BTC at the current price.

Bitcoin amounts can have at most eight decimals. If you type more, the converter warns you instead of silently rounding โ€” a typo in the number of zeros is one of the most common ways people send the wrong amount.

Satoshi to BTC formula

Bitcoin's protocol stores every amount as a whole number of satoshis; โ€œBTCโ€ is just a display unit with the decimal point moved eight places.

1 BTC = 100,000,000 sats 1 sat = 0.00000001 BTC BTC = sats / 100,000,000 USD = BTC ร— BTC price sats per $1 = 100,000,000 / BTC price

Examples at a $65,000 bitcoin price

Rounded for readability โ€” use the converter for exact values at today's price.

  • 1 sat = 0.00000001 BTC โ‰ˆ $0.00065
  • 1,000 sats = 0.00001 BTC โ‰ˆ $0.65
  • $1 โ‰ˆ 1,538 sats
  • 100,000 sats = 0.001 BTC = 1 mBTC โ‰ˆ $65
  • 1,000,000 sats = 0.01 BTC โ‰ˆ $650
  • 21,000,000 sats = 0.21 BTC โ‰ˆ $13,650

Other bitcoin units you may see

Besides BTC and sats, a few other units appear in wallets and apps. A โ€œbitโ€ equals 100 sats (one millionth of a bitcoin, also written ฮผBTC). An mBTC (millibitcoin) is 100,000 sats. On the Lightning Network, amounts are tracked internally in millisatoshis โ€” one thousandth of a satoshi โ€” because routing fees can be smaller than one sat; they are rounded to whole sats when settled on-chain. The Crypto Unit Converter covers all of these, plus wei and gwei for Ethereum, lamports for Solana and more.

The unit is named after Satoshi Nakamoto, the pseudonymous creator of Bitcoin. โ€œStacking satsโ€ โ€” buying small amounts regularly โ€” became popular precisely because thinking in sats makes small purchases feel meaningful.

Why sats matter in practice

Network fees are quoted in sats per virtual byte (sat/vB). A typical single-input transaction is around 140โ€“250 vB, so at 10 sat/vB it costs roughly 1,400โ€“2,500 sats. Exchanges set minimum deposit and withdrawal amounts in BTC; converting them to sats and dollars helps you see whether a small transfer is worth the fee. Before you send, double-check the amount and validate the destination with the Address Validator.

Common sats conversions people search for

Some amounts come up again and again. 10,000 sats is 0.0001 BTC โ€” a common minimum for small purchases and Lightning top-ups. 50,000 sats is 0.0005 BTC, 250,000 sats is 0.0025 BTC, and 5,000,000 sats is 0.05 BTC. Going the other way, 0.001 BTC is 100,000 sats, 0.005 BTC is 500,000 sats and 0.1 BTC is 10,000,000 sats. The dollar values change with the market, so use the converter for the current figure rather than a value you remember.

A quick mental trick: one million sats is always 0.01 BTC, so at a BTC price of $P the value of a million sats is P รท 100 dollars. At $65,000 that is $650; at $100,000 it would be $1,000.

Frequently asked questions

+How many satoshis are in one bitcoin?

Exactly 100,000,000 satoshis. One satoshi is 0.00000001 BTC.

+How much is 1 satoshi in dollars?

BTC price divided by 100,000,000. At $65,000 per BTC, one sat is $0.00065. The converter uses the live price.

+How many sats is $1?

100,000,000 divided by the BTC price. At $65,000 that is about 1,538 sats.

+Can I convert fractions of a satoshi?

Not on-chain โ€” a satoshi is the smallest on-chain unit. Lightning uses millisatoshis internally; use the Unit Converter for msat.

+How do I convert BTC to sats by hand?

Multiply the BTC amount by 100,000,000 โ€” or move the decimal point eight places to the right. 0.0025 BTC becomes 250,000 sats; 0.00001 BTC becomes 1,000 sats. To go back, divide by 100,000,000.

+Where does the live price come from?

From the KOT.CASH market ticker. If it is unavailable, enter any price manually โ€” the converter works offline.

Calculations run entirely in your browser; nothing you type is sent to KOT.CASH. Results are estimates for information only and are not financial, tax or legal advice.

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Satoshi to BTC to USD Converter โ€” Sats Calculator