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Ethereum Gas Fee Calculator
Convert gas and Gwei assumptions into an estimated ETH and USD transaction cost without presenting static presets as live network prices.
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An Ethereum gas fee estimate multiplies gas consumed by the effective price paid per gas unit. This calculator converts editable gas and Gwei inputs into ETH and USD; transaction and speed presets are planning examples unless a verified live source and timestamp are shown.
Estimate Gas Fee
Units
Gwei
USD
Common Presets (Gas Used)
Static reference estimates are calculated locally. Actual gas costs can change with network congestion and wallet settings.
Fee Breakdown
Medium FeeEstimated Gas Fee (Standard)
0.000483 ETH≈ $1.56 USD
Balanced fee for normal confirmation.
NetworkEthereum Mainnet
Transaction TypeTransfer
Speed / ModeStandard
Gas Limit21,000 units
Gas Price23 Gwei
Priority Fee2 Gwei
Max Fee Per Gas27.14 Gwei
Token Used For FeeETH
Estimated Fee0.000483 ETH
Estimated Fee (USD)$1.56 USD
Network congestion, wallet priority settings, and transaction complexity may affect final cost.
Gas Tracker Reference
Static estimate🐢 Slow16 Gwei~7 - 12 min
💧 Standard23 Gwei~2 - 4 min
🚀 Fast34 Gwei~30 sec - 1 min
Popular Transaction Presets
Select a preset to auto-fill the Gas Used value.
How to use it
Enter the source data: Enter expected gas used—or a gas limit only when you understand the difference—plus the gas price in Gwei and an editable ETH/USD price.
Choose the relevant settings: Choose a transaction or speed preset only as a starting point. Replace static values with wallet or network estimates for the transaction you intend to send.
Review and verify the result: Review the fee in Gwei, ETH and USD. Compare slow, standard and fast assumptions, then confirm the final values in the wallet immediately before signing.
Key capabilities
- Converts gas × Gwei into ETH and USD estimates.
- Editable transfer, swap, mint, bridge and approval-style presets.
- Slow, standard and fast planning scenarios.
- Displays priority/max-fee fields when supported by the interface.
- Links naturally to ETH unit conversion and transaction inspection.
Best use cases
- Budget a transaction before opening a wallet.
- Explain how gas usage and gas price affect the final fee.
- Compare the cost impact of several user-entered Gwei scenarios.
Limits and safety notes
- The calculator cannot guarantee the fee a wallet will charge or the gas a contract call will consume. Network conditions, base fee, priority fee, execution path, reverts and wallet settings can change the outcome. Always check the wallet estimate before signing.
- The core transformation runs in the current browser component. Browser extensions, clipboard history, downloaded files and site-wide diagnostics remain separate exposure points, so never enter production secrets unless you have reviewed the complete environment.
Troubleshooting
Fee differs from wallet
use the wallet’s current gas estimate and effective EIP-1559 fields rather than a static preset.
Gas limit causes an exaggerated result
replace it with expected gas used when estimating likely cost.
Frequently asked questions
How do I calculate an Ethereum gas fee?
For a simplified estimate, multiply gas used by the effective gas price, then convert Wei to ETH. For EIP-1559, the final effective price depends on base fee and priority fee and is capped by the max-fee setting.
What is the difference between gas limit and gas used?
Gas limit is the maximum execution budget set for the transaction. Gas used is the amount actually consumed; unused gas is not charged as if it had been consumed.
Are the Gwei presets live?
Treat all transaction and speed presets as static examples unless a verified source, retrieval time and freshness state are visible beside the value.
Is it safe and private?
The calculation runs in this browser component, but that alone is not a complete privacy guarantee. Use non-production data unless you have also reviewed extensions, clipboard history, downloads and site diagnostics.
Does it work on mobile?
The layout adapts to narrow screens. File selection, camera access, clipboard actions and downloads still depend on the permissions and capabilities of the mobile browser.
Related tools
Use the tool
Replace every preset with the latest wallet-provided estimate, compare the ETH and USD impact, and verify again before signing.