Layer 2 Gas Savings Calculator
Compare Layer 1 vs Layer 2 transaction costs and calculate gas savings from rollup deployment.
Inputs
Results
Savings per Tx ($)
$13.47
Savings (%)
99.8
L1 Cost per Tx ($)$13.5
L2 Cost per Tx ($)$0.03
Cost Reduction Factor490.2
Monthly Savings ($)$134,724.6
Annual Savings ($)$1,616,695.2
How to Use This Calculator
- Enter L1 Gas per Tx for your operation — Uniswap swap ≈ 150,000; NFT mint ≈ 100,000; ERC-20 transfer ≈ 65,000.
- Set the L1 Base Fee in Gwei from etherscan.io/gastracker and the L2 Execution Fee in Gwei (Optimism/Arbitrum typically 0.001–0.1 Gwei).
- Enter current ETH Price ($) for USD conversions.
- Set Monthly Transactions to see aggregate savings at scale.
- Compare L1 Cost vs. L2 Cost per Tx, Savings per Tx, and Annual Savings to build the business case for L2 migration.
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