Gas Fee Calculator

Estimate Ethereum and EVM-compatible transaction fees in both ETH and USD. Choose a preset gas limit for common operations or enter a custom value.

Current network gas price in Gwei. Check on Etherscan for real-time values.
Presets: Simple ETH Transfer (21,000) | ERC20 Transfer (65,000) | Uniswap Swap (150,000) | OpenSea Sale (200,000) | Contract Deploy (1,000,000)

About Gas Fee Calculator

This free Ethereum gas fee calculator shows you the exact cost of any on-chain transaction in both ETH and USD. Enter the current gas price in Gwei and the gas limit for your operation — or use one of the presets for common transactions like ETH transfers, ERC20 token transfers, Uniswap swaps, and OpenSea sales.

ETH & USD Display

See gas costs in both ETH and USD simultaneously, using the current ETH price you provide.

Operation Presets

Quick-select gas limits for ETH transfers, ERC20 transfers, Uniswap swaps, OpenSea sales, and contract deployments.

L2 Compatible

Works for any EVM-compatible chain including Polygon, Arbitrum, Optimism, Base, and more.

Fee Breakdown

See the full calculation: gas units, gas price, conversion from Gwei to ETH, and the final USD value.

📋 Common Use Cases

Trade & Investment Analysis

Make data-driven crypto decisions with accurate profit/loss, ROI, and break-even calculations.

Portfolio Management

Track holdings, monitor performance, and maintain target allocations across your crypto investments.

Tax & Record Keeping

Generate accurate records for tax reporting and audit preparation.

DeFi & Strategy Planning

Evaluate staking, yield farming, and investment strategies before committing funds.

🪜 How to Use This Tool

  1. Enter your parameters
    Input amounts, prices, quantities, or addresses depending on the specific crypto tool.
  2. Configure settings
    Set your preferred display currency, tax jurisdiction, or network parameters.
  3. Review analysis
    See calculated results — profit/loss, fees, rewards, or decoded data — with clear breakdowns.
  4. Apply insights
    Use results to inform trading, staking, or development decisions. All data stays in your browser.

📚 Related Guides

Frequently Asked Questions

Are these crypto tools really free?▼
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Do I need to connect my wallet?▼
No. None of our crypto tools require wallet connection, transaction signing, or any blockchain interaction. All calculations and validations happen locally in your browser.
Is my crypto data safe?▼
Yes. All data stays in your browser. Portfolio tracker data is stored in localStorage — it never leaves your device. We never see your addresses, balances, or transaction data.