Ethereum Gas Fee Estimator
Real-time Ethereum gas prices from Etherscan. Calculate the exact fee for any transaction before you send.
Calculate Transaction Fee
How are Ethereum gas fees calculated?
Every Ethereum transaction requires a gas fee paid to validators. The fee depends on how complex your transaction is (gas limit) and how congested the network is (gas price in Gwei).
Gas Price (Gwei) × Gas Limit ÷ 1,000,000,000Fee (USD) =
Fee (ETH) × ETH Price
Frequently Asked Questions
Gas refers to the fee required to successfully conduct a transaction or execute a smart contract on the Ethereum blockchain. It is denominated in Gwei (nano-ETH) and pays miners/validators for the computational power needed to process transactions.
You can save on gas fees by scheduling transactions during low-activity hours (usually weekends or late nights UTC), using Layer-2 scaling networks like Polygon or Arbitrum, or setting custom lower priority limits in your wallet.
The heatmap aggregates historical hourly gas price averages to highlight times of low and high congestion, allowing you to easily time your token transfers or NFT mints for maximum savings.
1 Gwei = 0.000000001 ETH. Simple ETH transfers always use exactly 21,000 gas. Complex DeFi interactions can use 10× more.