Crypto unit converter: BTC, sats, ETH, gwei
Convert between bitcoin and satoshis, or ether, gwei and wei, exactly to the last digit.
The units
| Unit | Equals |
|---|---|
| 1 BTC | 1,000 mBTC = 1,000,000 bits = 100,000,000 satoshis |
| 1 satoshi | 0.00000001 BTC (the smallest unit) |
| 1 ETH | 1,000,000,000 gwei = 1,000,000,000,000,000,000 wei |
| 1 gwei | 0.000000001 ETH, used for gas prices |
Satoshis are named after Bitcoin's creator, Satoshi Nakamoto. Gwei shows up in gas fees.
Questions
How many satoshis are in a bitcoin?
100,000,000 (one hundred million).
How many gwei in an ETH?
1,000,000,000 (one billion).
What is $1 in satoshis?
Divide 100,000,000 by the bitcoin price. At $100,000 per BTC, $1 is 1,000 sats.
Every result is worked out in your browser. Nothing you type is sent anywhere. Results are estimates for learning and planning, not financial or tax advice. Last reviewed October 26, 2026.