Crypto Gas Fee Optimizer

Gas Fee Optimizer

Calculate the real cost of your Ethereum transactions in USD.

Current network base fee + priority.

How This Tool Works

Ethereum gas fees fluctuate wildly. A transaction that costs $5 on Sunday might cost $50 on Tuesday during an NFT drop. This tool helps you convert abstract "Gwei" numbers into real dollar costs for different types of actions.

  • Simple Transfer (21k Gas): Moving ETH from wallet to wallet. Cheapest action.
  • Uniswap Swap (~150k Gas): Trading tokens. Much more expensive due to contract complexity.
  • NFT Mint (~250k+ Gas): Extremely expensive, often causing "Gas Wars."

How to Use

  1. Input Gas Price: Check a tracker like Etherscan for current Gwei (e.g., 20).
  2. Input ETH Price: Current market price of Ethereum.
  3. Select Transaction: What are you trying to do? Swap? Bridge?
  4. Calculate: See the estimated cost instantly.

Example Scenario

Gas is 30 Gwei. ETH is $2,000.
You want to swap on Uniswap (150,000 gas).

• Cost in ETH: 0.0045 ETH
• Cost in USD: $9.00

Why This Matters

Don't get stuck with a failed transaction or pay $50 for a $20 swap. Use this tool to check if it's a good time to transact.

Limitations & Disclaimer


• Gas limits are estimates. Complex transactions may use more.
• Prices change second-by-second. Always double-check your wallet before confirming.

FAQs

When are gas fees lowest?

Historically, weekends (Saturday/Sunday) and late nights UTC (when the USA and Europe are asleep) have the lowest network congestion and fees.

Why is Uniswap so expensive?

Smart contracts like Uniswap are complex. A simple ETH transfer costs 21,000 gas, but a swap can cost 150,000+ gas because it involves multiple calculations on the blockchain.

What is Gwei?

Gwei is a denomination of Ether. 1 Gwei = 0.000000001 ETH. It is used to measure gas prices.