Ethereum Gas Fee Calculator

Get real-time Ethereum gas fee estimates for different transaction priorities. EIP-1559 compliant calculator with Base Fee + Priority Fee structure for accurate cost predictions.

Gas fees update every 15 seconds. Prices are estimates and may vary based on network conditions.
APIs Used: Etherscan Gas Tracker API for real-time gas prices, CoinGecko API for ETH/USD exchange rate.

Current Gas Prices Loading...

Slow

~5 min wait

-- gwei
$--

Standard

~2 min wait

-- gwei
$--

Fast

~15 sec wait

-- gwei
$--

Transaction Cost Calculator

ETH Transfer
Standard transfer
Gas Used
21,000
Est. Cost
$--
ERC-20 Transfer
Token transfer
Gas Used
65,000
Est. Cost
$--
Uniswap Swap
Token swap
Gas Used
150,000
Est. Cost
$--
NFT Transfer
ERC-721 transfer
Gas Used
85,000
Est. Cost
$--

Custom Gas Calculator

Total Gas Cost:
-- ETH
USD Equivalent:
$--
Max Fee:
$--

Understanding Gas Fees

EIP-1559 Structure
  • Base Fee: Network-determined minimum fee
  • Priority Fee: Tip to miners for faster processing
  • Max Fee: Maximum you're willing to pay
Transaction Speed
  • Slow: Lower cost, 3-5 minutes
  • Standard: Balanced cost, 1-2 minutes
  • Fast: Higher cost, 15-30 seconds

What Are Ethereum Gas Fees?

Ethereum gas fees are transaction costs paid to network validators for processing and confirming transactions on the Ethereum blockchain. Every operation on Ethereum—from simple ETH transfers to complex smart contract interactions—requires computational resources, measured in "gas units."

How Gas Works

  • Gas Limit: Maximum gas units for a transaction
  • Gas Price: Amount paid per gas unit (in gwei)
  • Total Fee: Gas Limit × Gas Price
  • Network congestion affects pricing

EIP-1559 Upgrade

  • Base Fee: Burned by network
  • Priority Fee: Tip to validators
  • More predictable pricing
  • Better user experience

Gas Optimization Tips

Time Your Transactions

Monitor network congestion and execute transactions during low-activity periods for better rates.

Use Layer 2 Solutions

Consider Polygon, Arbitrum, or Optimism for lower-cost transactions with Ethereum security.

Batch Transactions

Combine multiple operations into single transactions when possible to reduce total gas costs.

Frequently Asked Questions

Gas fees increase during high network demand. Popular applications, NFT drops, and market volatility create congestion, driving up prices as users compete for block space. Our gas calculator helps you find the optimal fee for your transaction priority.

Slow (3-5 min): Lower fee, suitable for non-urgent transactions.
Standard (1-2 min): Balanced cost and speed for typical use.
Fast (15-30 sec): Higher fee for priority processing, ideal for time-sensitive transactions.

Our calculator uses real-time data from Etherscan's gas oracle, updated every 15 seconds. While highly accurate for current conditions, actual fees may vary based on network congestion changes and transaction complexity. Always set appropriate gas limits to avoid failed transactions.

Transactions with insufficient gas fees may remain pending for extended periods or eventually fail. While failed transactions still consume some gas, it's better to use our recommended fees to ensure timely processing and avoid wasted costs.

No, gas fees are not refunded for failed transactions. The network still processes the computation up to the failure point. This is why it's crucial to use our gas calculator to estimate appropriate fees and gas limits before submitting transactions.

Gas Fee Comparison by Transaction Type

Transaction Type Typical Gas Limit Complexity Use Case
ETH Transfer 21,000 Simple Sending ETH between wallets
ERC-20 Transfer 45,000-65,000 Medium Sending tokens (USDC, USDT, etc.)
DEX Swap 150,000-300,000 Complex Trading on Uniswap, SushiSwap
NFT Transfer 80,000-120,000 Medium Moving NFTs between wallets
Smart Contract 200,000+ Variable DeFi protocols, custom contracts

Best Practices for Gas Fee Management

Do's

  • Monitor gas prices before transactions
  • Use our calculator for accurate estimates
  • Set appropriate gas limits
  • Consider Layer 2 for frequent transactions
  • Time transactions during low congestion
  • Use standard speed for most transactions

Don'ts

  • Don't set extremely low gas prices
  • Don't panic during high congestion
  • Don't ignore failed transaction warnings
  • Don't overpay for simple transfers
  • Don't rush complex DeFi interactions
  • Don't forget to account for gas in wallet balance

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How to Use Gas Fee Calculator

  1. Input Data: Enter or paste your data into the input field.
  2. Process: The tool will automatically process your input or click the action button.
  3. View Results: See the results instantly and copy them if needed.

Common Use Cases

Professional Use

Perfect for developers, designers, and digital marketers who need quick results.

Education

Great for students and teachers for learning and verification.

Personal Projects

Simplify your personal tasks with this easy-to-use tool.

Everyday Tasks

Save time on routine calculations and conversions.

Learn More About Gas Fee Calculator

A free online Gas Fee Calculator tool.

This tool is designed to be simple, fast, and effective. Whether you are a professional or just need a quick solution, Gas Fee Calculator is here to help. We continuously update our tools to ensure accuracy and better user experience.

How to Use Ethereum Gas Fee Calculator

  1. Input Data: Enter or paste your data into the input field.
  2. Process: The tool will automatically process your input or click the action button.
  3. View Results: See the results instantly and copy them if needed.

Common Use Cases

Professional Use

Perfect for developers, designers, and digital marketers who need quick results.

Education

Great for students and teachers for learning and verification.

Personal Projects

Simplify your personal tasks with this easy-to-use tool.

Everyday Tasks

Save time on routine calculations and conversions.

Learn More About Ethereum Gas Fee Calculator

Get real-time Ethereum gas fee estimates for different transaction priorities. EIP-1559 compliant with Base Fee + Priority Fee structure.

This tool is designed to be simple, fast, and effective. Whether you are a professional or just need a quick solution, Ethereum Gas Fee Calculator is here to help. We continuously update our tools to ensure accuracy and better user experience.