Do I still pay gas if my Ethereum transaction fails or runs out of gas?

Yes. Even if a smart contract reverts or runs out of gas, validators still must execute the transaction instructions up to the point of failure. The gas consumed during that execution is deducted from your wallet and burned according to EIP-1559 rules.

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Gas Fee & Transfer Cost Calculator.

Real-time gas tracker for Ethereum mainnet, Arbitrum, Optimism, Base, and Solana. Compare live transfer and swap costs to time your transactions during off-peak gas windows.

Free Runs in your browser Data: Client-Side Math (No API)

Trading & Calculation Currency:

Currency:

Transaction Scenario:

EIP-1559 Gas Engine & Multi-Chain Scaler

Active: USD ($)

Select Operation Type:150,000 Gas Units

DEX Trading:Uniswap v3 Swap150,000 Gas Units

Multi-hop decentralized swap with slippage check.·Standard Gas Limit: 150,000 units·

Ethereum L1 Transaction Cost

$9.90USD

Execution fee on Ethereum Mainnet at 22 Gwei.

Fee in ETH: 0.003300 ETHGas Units: 150,000

1. Base Fee (Burned)86% Burn

$8.55

0.002850 ETH permanently burned via EIP-1559 protocol.

2. Priority Fee (Tip)Validator Tip

$1.35

0.000450 ETH incentive paid directly to block proposer.

EIP-1559 Protocol Fee Allocation:19 Gwei Base + 3 Gwei Tip

Mempool Congestion Presets:Total: 22 Gwei

Standard weekday global DeFi trading volume.

Base Fee (Burned):19 Gwei

Priority Fee (Validator Tip):3 Gwei

Execution Parameters:

Custom Gas Limit Units:

units

ETH Benchmark Price (USD):

Valued at $3,000.00 in active currency.

Cross-Network Scalability Comparison

Multi-Chain Transfer Cost & L2 Savings Matrix

Equivalent Operation: Uniswap v3 Swap

Blockchain Network	Architecture	Finality	Estimated Fee (USD)	Savings vs L1
Ethereum L1	Mainnet	12s block	$9.90	Baseline (0%)
Base (Coinbase L2)	Optimistic Rollup	2s block	$0.0744	-99.2%
Arbitrum One	Arbitrum Rollup	0.25s block	$0.0893	-99.1%
OP Mainnet	Superchain Hub	2s block	$0.0824	-99.2%
Polygon PoS	Sidechain / PoS	2s block	$0.003	-100.0%
Solana	Parallel Alt-L1	0.4s block	$0.0028	-100.0%
BNB Smart Chain	EVM Alt-L1	3s block	$0.27	-97.3%

Layer 2 Scaling Insight: Migrating your frequent swaps from Ethereum Mainnet to Base or Arbitrum reduces cumulative gas overhead by over 99% while retaining Ethereum L1 consensus security.

Specification & Methodology

Understanding your results.

A rigorous breakdown of the mathematical equations, market assumptions, and step-by-step calculations powering this tool.

Executive Summary · EVM Fee Mechanics & Multi-Chain Scaling

Ethereum gas fees measure the computational work required to execute transactions and smart contracts on the Ethereum Virtual Machine (EVM). Under EIP-1559, transaction costs are bifurcated into a mandatory Base Fee (which is algorithmically adjusted per block and permanently burned, creating deflationary pressure on ETH supply) and an optional Priority Tip paid to validators. For standard users, utilizing Layer-2 rollups like Base and Arbitrum eliminates up to 99% of gas overhead via EIP-4844 blob data availability while inheriting full Ethereum L1 consensus settlement.

Protocol Architecture: EIP-1559 Dynamic Fee Market Blob Data Availability: EIP-4844 Dencun Rollup Scaling

Mathematical Specification

EVM Gas Calculation & Multi-Chain Scaling Equations

01 · EIP-1559 Total Fee Effective Gas Price

F_total = G × (B_fee + P_tip)

Multiplies gas units consumed (G) by the effective gas price in Gwei. The base fee (B_fee) is burned permanently by the network; the priority tip (P_tip) incentivizes validator inclusion.

02 · Gwei to Fiat Conversion Denomination Math

Fiat = [F_total ÷ 10^9] × P_ETH

Converts Gwei into standard Ether by dividing by 1 billion (10^9), then scales by the current real-time exchange rate of Ether denominated in your selected fiat currency.

03 · L2 Blob Gas Scaling Rollup Economics

Savings % = [1 - (Cost_L2 ÷ Cost_L1)] × 100

Measures the percentage difference between L1 execution cost and Layer-2 rollup cost (combining L2 sequencer execution plus batched EIP-4844 blob storage verification).

Real-World Simulation

Worked Example: Uniswap v3 Token Swap on Ethereum L1 vs. Arbitrum L2

STEP 01

Operation Benchmark & Complexity Executing a Uniswap v3 multi-hop DEX swap

150,000 Gas Units Required

STEP 02

Ethereum Mainnet L1 Gas Calculation 25 Gwei Base Fee + 3 Gwei Validator Tip (28 Gwei total)

150,000 × 28 Gwei = 0.0042 ETH ($12.60 @ $3k ETH)

STEP 03

Base Fee Burn vs. Tip Breakdown EIP-1559 automatic fee distribution

$11.25 Burned (89.3%) + $1.35 Tip (10.7%)

STEP 04

Arbitrum One L2 Execution Equivalent Sequencer execution + post-Dencun blob data cost

Total L2 Fee: $0.04 (0.000013 ETH)

STEP 05

Net Capital Preserved Total financial savings utilizing Layer-2

Saved $12.56 per swap (99.7% fee reduction)

Key Strategic Takeaway: For routine decentralized finance activities such as token swaps, liquidity provision, and micro-transfers, submitting transactions directly to Ethereum Mainnet unnecessarily bleeds capital into miner priority tips and burned base fees. By utilizing Arbitrum, Base, or Optimism, users capture the same liquidity and execution prices while slashing transaction overhead by up to 99%.

Operational Guide

How to use this tool.

Step-by-step workflow instructions to get the most accurate calculations for your trading strategy.

Select your transaction type: Choose between simple ETH transfers (21k gas), ERC-20 token transfers (65k gas), Uniswap DEX swaps (150k gas), NFT mints (180k gas), or bridge deposits (280k gas).
Inspect current network congestion: Choose from Off-Peak (12 Gwei), Normal (22 Gwei), or Congested (45 Gwei) presets, or adjust the live Base Fee and Priority Tip sliders manually.
Review fee breakdown & burned ETH: Observe the total transaction fee denominated in your local currency, plus the exact portion of ETH permanently burned via EIP-1559.
Compare multi-chain Layer-2 savings: Evaluate the cross-network matrix to determine how much capital you save executing on Base, Arbitrum, Solana, or Polygon.

Ledger Hardware Security

Self-Custody

Verify gas limits and transaction payloads with clear-signing technology on a certified Secure Element chip, preventing malicious drainer contracts.

Secure with Ledger

Bybit Web3 & L2 Gateway

Web3 Exchange

Direct withdrawals and deposits across Base, Arbitrum, and Optimism with zero exchange markup fees and institutional-grade order books.

Explore on Bybit

How we choose partners. Gas fees vary based on real-time network congestion and block utilization. We may earn an affiliate commission at no extra cost to you.

Privacy & safety.

Client-side calculation guarantee: All EIP-1559 equations, Gwei conversions, and multi-chain comparative estimates execute 100% locally in your web browser. No private keys, transaction payloads, or wallet addresses are ever requested, inspected, or transmitted to any server.