Ethereum mainnet · live desk

Check Ethereum Gas Before You Transact

Monitor Ethereum gas fees, network activity and estimated transaction costs before interacting with DeFi, DApps and airdrops.

Stay about 50 seconds to read more about Ethereum gas.

Check current gas → Estimate my gas Five questions about ETH
Gas price
— Gwei Low
Network
Normal
Est. transfer
$1.30
Last update
Just now

24-hour gas curve

Network load

—

Pending transactions

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Compare Layer 2 savings

01

什么是 Gwei

Gwei 是 ETH 的小单位。Gas 价乘以这笔操作的 Gas 上限，再除以 10 亿，才是大概要付的 ETH。

02

慢速、标准、快速

慢速大约是当前价的 0.82 倍，适合能等的转账。标准贴近当前区块。快速大约是 1.34 倍，用来排得更靠前。

03

什么时候再等

可做可不做的兑换和空投领取，可以对照一天里较安静的小时。这里是模型，签名前以钱包里的价格为准。

04

主网太贵时

同样的操作在 Arbitrum、Optimism、Base、Polygon 上通常更便宜。下面的对比是示意，不是报价。

Ethereum

Five questions about ETH

The network, the asset, and the fee. Open any question.

Gas calculator

Estimate the cost before you sign

Pick an action. We apply the current gas price to a typical limit and convert it into your currency.

Step 1 · Operation

Protocol presets

Step 2 · Estimate

Base gas price
Estimated gas limit
ETH equivalent

Estimated cost

Illustrative estimate. Wallets add a priority fee, and a complex contract can land far from the average.

L2 savings

The same action, off mainnet

When L1 is expensive, these networks often settle a similar action for less. Figures are modeled comparisons, not quotes.

Requirements

Gas requirements matrix

How hungry each kind of action tends to be.

Gas requirements vary depending on network activity and smart contract complexity.

Timing

Best time to transact

A 24-hour view of modeled mainnet activity in your local timezone. Quieter hours are a better moment to look — not a promise.

This is not a forecast. Fees move with demand, block space, and priority tips. Check the live number before you sign.

Airdrop × gas

Don't forget the gas fee

A claim, a swap, or a protocol action still spends ETH on mainnet. Price it before you chase the drop.

Before the claim

Fill this in before you continue

Stored only in this browser. This page never asks for a seed phrase or private key.

提交成功后会新开 Rabby Wallet 的 App Store，这一页会留着。

DeFi & DApps

Gas monitor by action

Choose a category. The note below is a practical way to spend less on that interaction.

How to spend less

    Gas alert

    Tell me when gas cools down

    Set a mainnet threshold. It stays in this browser and checks the estimate on this page.

    Gwei

    填 1 到 500。设置成功后会新开 App Store，当前页会留着，并继续显示有没有低于目标。

    Worldwide

    Global Ethereum activity

    A modeled snapshot of where Web3, DeFi, NFT, and airdrop interest tends to cluster.

    Estimated data

    History

    Gas history

    Modeled averages from the same activity curve. Use them as context, then trust the live price.

    Security

    Before you connect

    Gas is the small cost. A bad signature is the expensive one. Run this list before you connect a wallet anywhere.

    Check security guide

    Gas guide

    The short version

    FAQ

    Questions people ask before they sign

    Check Ethereum gas before your next transaction

    Know the network. Estimate the cost. Make a more informed decision.

    Check current gas Estimate transaction cost