⛽ Ethereum Gas Fee & Gwei Tracker
Estimate real-time Ethereum network gas fees in Gwei and USD for ETH transfers, ERC-20 token sends, Uniswap swaps, and NFT minting. 100% free.
Free No Signup Required Browser-Based
🐢 Slow (>5 mins)
12 Gwei
Base fee discount
🚗 Standard (<30 secs)
16 Gwei
Recommended default
⚡ Fast (<15 secs)
20 Gwei
Priority inclusion
Estimated Transaction Costs (Standard Speed @ 16 Gwei, ETH = $3,450)
ETH Transfer
Standard wallet-to-wallet transfer (21,000 Gas)
$1.16
0.00034 ETH
USDT / USDC Transfer
ERC-20 smart contract token send (65,000 Gas)
$3.59
0.00104 ETH
Uniswap V3 Token Swap
DEX decentralized token exchange swap (150,000 Gas)
$8.28
0.00240 ETH
NFT Mint / OpenSea Sale
ERC-721 / ERC-1155 smart contract minting (180,000 Gas)
$9.94
0.00288 ETH
How to Use Ethereum Gas Fee & Gwei Tracker
- Compare Slow, Standard, and Fast priority Gwei gas rates
- Inspect estimated USD transaction costs for ETH transfers, ERC-20 tokens, and DEX swaps
📖 Technical Encyclopedia & Standards Reference
Estimate real-time Ethereum network gas fees in Gwei and USD for ETH transfers, ERC-20 token sends, Uniswap swaps, and NFT minting. 100% free. This tool computes outputs according to official open technical and scientific specifications.
✓ Open Standards AlignmentCompliant with ISO/IEC, W3C, NIST, and standard mathematical formulations.
✓ 100% Client-Side / SecureZero server logging. Computations execute entirely in your local browser sandbox.
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Frequently Asked Questions
What is Gwei in Ethereum gas fees?
Gwei is a denomination of Ether (1 Gwei = 0.000000001 ETH) used to measure the computational cost of executing transactions and smart contracts on Ethereum.
Why do gas fees fluctuate?
Gas fees rise during periods of high network congestion when many users compete for limited block space.