Enter Values
Typical Gas Estimates
| Transaction | Gas Units |
|---|---|
| ETH Transfer | 21,000 |
| ERC-20 Transfer | ~65,000 |
| Uniswap Swap | ~150,000 |
| NFT Mint | ~100,000 |
Gas Fee Estimate
Formula Breakdown
Fee Comparison by Transaction Type
| Transaction Type | Gas Units | Fee (ETH) | Fee ($) | Rating |
|---|---|---|---|---|
| ETH Transfer | 21,000 | -- | -- | -- |
| ERC-20 Transfer | 65,000 | -- | -- | -- |
| Uniswap Swap | 150,000 | -- | -- | -- |
| NFT Mint | 100,000 | -- | -- | -- |
Gas Price Scenarios
Compare costs for your selected transaction at different gas price levels:
| Scenario | Gas Price | Fee (ETH) | Fee ($) |
|---|---|---|---|
| Current | 20 Gwei | -- | -- |
| Moderate Congestion | 50 Gwei | -- | -- |
| High Congestion | 100 Gwei | -- | -- |
Fee Rating Guide
| Fee Range | Rating | Typical Scenario |
|---|---|---|
| < $1 | Low | Off-peak, simple transfers |
| $1 - $10 | Moderate | Normal network conditions |
| $10 - $50 | High | Congested network |
| > $50 | Very High | Extreme congestion, complex contracts |
Understanding Ethereum Gas Fees
What are Gas Fees?
Gas fees are payments made by users to compensate for the computing energy required to process and validate transactions on the Ethereum blockchain. Every operation on Ethereum - from simple transfers to complex smart contract interactions - requires computational resources, and gas fees ensure that validators are compensated for this work.
Gas Fee ($) = Gas Fee (ETH) x ETH Price
1 Gwei = 0.000000001 ETH (10-9 ETH)
Gas Units by Transaction Type
Different operations require different amounts of computational work:
Simple Transfer
21,000 gas
A basic ETH transfer moves value between addresses. This is the minimum gas for any Ethereum transaction.
Smart Contract Interaction
50,000 - 500,000+ gas
Complex operations like swaps, NFT mints, or DeFi interactions require more computational steps.
How to Reduce Gas Fees
- Time your transactions: Gas prices are typically lower during weekends and early morning UTC hours when network activity is reduced.
- Use Layer 2 solutions: Arbitrum, Optimism, Base, and other L2s offer 10-100x cheaper transactions while maintaining Ethereum security.
- Batch operations: Some protocols allow batching multiple actions into a single transaction.
- Set custom gas prices: If your transaction isn't urgent, set a lower gas price and wait for the network to process it during less congested periods.
Frequently Asked Questions
Disclaimer
This calculator provides estimates for Ethereum mainnet only and is for educational purposes. Actual gas costs vary based on real-time network congestion, contract complexity, and implementation details. Gas unit estimates for complex transactions (swaps, mints) are typical values that may differ significantly based on the specific contract. Always check your wallet's gas estimate before confirming transactions. This tool should not be used as the sole basis for transaction planning.
