Gwei Calculator
Convert wei, gwei and ETH, and work out what a transaction costs from its gas limit and gas price.
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Convert wei, gwei and ETH
- wei
- 1000000000
- gwei
- 1
- ETH
- 0.000000001
- USD
- $0.000002
Transaction fee calculator
- Fee in gwei
- 1,675.8
- Fee in ETH
- 0.0000016758
- Fee in USD
- $0.0036
Gas price starts at the current Ethereum standard price, 0.0798 gwei. ETH price $2,121.53 from CoinGecko.
Wei, gwei and ETH
| Unit | In wei | In ETH |
|---|---|---|
| wei | 1 | 0.000000000000000001 |
| gwei | 1,000,000,000 | 0.000000001 |
| ETH | 1,000,000,000,000,000,000 | 1 |
Gas prices are quoted in gwei because they would be long decimals in ETH. See the live Ethereum gas tracker.
Gwei calculator FAQ
How many gwei are in one ETH?
One billion. 1 ETH = 1,000,000,000 gwei = 1,000,000,000,000,000,000 wei.
How do I calculate a gas fee?
Multiply the gas used by the gas price. 21,000 gas at 10 gwei is 210,000 gwei, which is 0.00021 ETH.
What gas limit should I use?
Sending ETH always uses 21,000 gas. Token transfers and swaps use more and depend on the contract; your wallet estimates it before you sign.
Why is the fee on an L2 higher than this calculator shows?
L2 networks such as Base or Arbitrum add an L1 data fee for posting data to Ethereum. This calculator covers execution gas only.