How to check Arbitrum One transaction fees
You can check an Arbitrum One fee before sending in your wallet preview and after it confirms on Arbiscan, which shows the gas paid in ETH.
Vahe HakobyanEditor-in-chief
Updated Oct 6, 20263 min readFact-checked
On this page
- A wallet preview shows the estimated fee before you send.
- Arbiscan shows current gas prices and paid transaction fees.
- Fees combine an L2 execution charge and an L1 data charge.
You will start in your wallet or a dApp, then use Arbiscan to see the fee that was actually paid. You need only a browser or the wallet app.
Where can I see Arbitrum One fees?
Start in the wallet or dApp you will use to send the transaction. Before you approve anything, it usually shows an estimated network fee for Arbitrum One. For current gas prices and paid fees, open Arbiscan. Its gas tracker shows current conditions, and a transaction page shows what was charged.
How do I check fees step by step?
The estimate in a wallet comes from the same parts that Arbiscan reports. You can check each part before you approve the transaction, then look at the paid fee later.
- 1Open the wallet previewConnect to Arbitrum One and start the transaction you plan to make, but do not confirm it yet. The preview shows the estimated network fee.
- 2Tell gas limit from gas priceThe gas limit is the maximum amount of gas your transaction can use, and the gas price is what you pay for each unit of gas. Arbitrum One usually charges fees in ETH, not ARB.
- 3Multiply the two numbersMultiply the gas limit by the gas price to get the maximum execution part of the estimate. The final fee can still differ because the data charge changes.
- 4Check the L1 and L2 partsAn Arbitrum One fee combines an L2 execution charge for work on this network and an L1 data charge for posting your transaction data to Ethereum.
- 5Compare with the actual feeAfter the transaction confirms, open its page on Arbiscan and compare the fee shown there with the estimate. A difference is normal because gas prices and data costs can change before inclusion.
What should I save after checking?
After a transaction confirms, save the details while they are easy to find. The transaction hash links to the fee on Arbiscan, and the estimated and actual fees belong together for support requests. The IRS treats cryptocurrency as property, so these records can help at tax time.
Frequently asked questions
The estimate uses the gas price and data cost at that moment, and both can change before your transaction is included.
Arbitrum One charges gas in ETH; ARB is a governance token, not the gas token.
Yes, open Arbiscan in a browser and use the gas tracker or a transaction page without connecting a wallet.
A transaction that is included and reverts can still consume gas, but one the network does not include costs nothing.
