How to adjust MetaMask gas prices? Custom transaction fees

Adjusting MetaMask's gas prices and setting custom fees allows users to control transaction speed and cost, crucial during network congestion.

May 19, 2025 at 04:01 am

Adjusting MetaMask gas prices and setting custom transaction fees can be crucial for users looking to optimize their Ethereum transactions. This process allows you to control the speed and cost of your transactions, which can be particularly useful during times of network congestion or when you need to prioritize your transactions. In this article, we will walk you through the steps to adjust gas prices in MetaMask and set custom transaction fees.

Understanding Gas and Gas Prices

Before diving into the adjustments, it's important to understand what gas and gas prices are. Gas is the unit of measure for the computational effort required to execute operations on the Ethereum network. Gas prices are the amount of Ether (ETH) you are willing to pay per unit of gas. The total transaction fee is calculated by multiplying the gas used by the gas price.

Accessing MetaMask Settings

To begin adjusting your gas prices, you first need to access the MetaMask settings. Here's how you can do it:

• Open your MetaMask extension or mobile app.
• Click on the three dots in the top right corner to open the menu.
• Select Settings from the dropdown menu.

Navigating to Advanced Gas Controls

Once in the settings, you need to navigate to the advanced gas controls. Follow these steps:

• Scroll down to the Advanced section.
• Click on Advanced gas controls.
• Toggle the switch to enable advanced gas controls.

Setting Custom Gas Prices

With advanced gas controls enabled, you can now set custom gas prices for your transactions. Here's how to do it:

• When you initiate a transaction, you will see a Gas Fee section.
• Click on Edit next to the gas fee to open the gas settings.
• You will see two fields: Gas Limit and Max Fee.
• Gas Limit is the maximum amount of gas you are willing to use for the transaction. This can be left at the default value unless you have a specific reason to change it.
• Max Fee is the maximum amount of ETH you are willing to pay per unit of gas. You can adjust this to set a custom gas price.

Understanding Max Priority Fee

In addition to the Max Fee, you can also set a Max Priority Fee. This is the amount of ETH you are willing to pay to miners as a tip for prioritizing your transaction. Here's how to set it:

• Below the Max Fee field, you will see a Max Priority Fee field.
• Adjust this value to set a custom priority fee. A higher priority fee can help your transaction get processed faster during times of high network congestion.

Confirming and Submitting the Transaction

Once you have set your custom gas prices and priority fee, you can confirm and submit your transaction. Here's how:

• Review the total transaction fee, which is calculated based on the gas limit, max fee, and max priority fee.
• If you are satisfied with the fee, click Confirm to submit the transaction.
• The transaction will be broadcast to the Ethereum network with your custom gas settings.

Monitoring Transaction Status

After submitting your transaction, you can monitor its status to ensure it is processed as expected. Here's how to do it:

• Go to the Activity tab in MetaMask to see your recent transactions.
• Click on the transaction to view more details, including the current status and estimated time to confirmation.
• If the transaction is taking longer than expected, you may need to adjust your gas prices and resubmit.

Frequently Asked Questions

Q: Can I adjust gas prices for all types of transactions in MetaMask?

A: Yes, you can adjust gas prices for all types of transactions, including token transfers, swaps, and contract interactions. The process remains the same regardless of the transaction type.

Q: What happens if I set the gas price too low?

A: If you set the gas price too low, your transaction may take longer to be processed or may not be processed at all. Miners prioritize transactions with higher gas prices, so a low gas price can result in delays.

Q: Is there a way to estimate the optimal gas price before setting it?

A: Yes, you can use gas price estimators like EthGasStation or GasNow to get real-time data on current gas prices and network conditions. These tools can help you set an optimal gas price for your transactions.

Q: Can I cancel a transaction if I set the gas price too high?

A: Yes, you can attempt to cancel a transaction by sending a new transaction with the same nonce but a higher gas price. This new transaction will replace the original one if it is processed first. However, there is no guarantee that the original transaction will be canceled successfully.