Arbitrum One Gas Price Today
NormalAs of Tue, 28 Jul 2026 23:15:26 UTC, gas on Arbitrum One is 0.0200 gwei (about $0.0057 for a typical swap).
1 ETH = $1,905.39
Cost per action on Arbitrum One
Estimates: gas units × live gas price × ETH price. Real cost depends on the exact contract called.
Best time to transact on Arbitrum One
Cheapest window this week (UTC): Sunday 22:00–23:00, median 0.0200 gwei.
Median gas by hour (UTC), last 7 days. Green = cheaper, red = pricier.
Arbitrum One 7-day gas history
Why is gas moving on Arbitrum One?
As of Mon, 27 Jul 2026 04:32:25 UTC, the most gas-intensive activity on Arbitrum One is general contract activity (40.7% of recent block gas), based on the latest blocks analysed on-chain.
Arbitrum One network facts
| Chain ID | 42161 |
| Type | L2 — Optimistic Rollup |
| Gas token | ETH |
| Settles on | Ethereum |
| ETH price | $1,905.39 |
| Market cap | $230.8B |
| 24h volume | $10.5B |
| Circulating supply | 120.68M ETH |
| Total supply | 120.68M ETH |
| TVL (DeFiLlama) | $1.2B |
| Explorer | arbiscan.io |
| RPC list | chainlist.org/chain/42161 |
How to pay less gas on Arbitrum One
- Transact during the cheapest window: Sunday around 22:00 UTC, when Arbitrum One gas is historically lowest.
- Arbitrum One is currently normal vs its 7-day median — a reasonable time to transact.
- If your transactions hang or get bad estimates, switch to a healthier RPC via chainlist.org/chain/42161. It won't change the gas price (the network sets that) but prevents stuck transactions.
- Arbitrum One is a Layer 2, so fees are already far below Ethereum mainnet — batch actions where you can to avoid paying the same overhead twice.
Arbitrum One gas — FAQ
What gas token does Arbitrum One use?
Arbitrum One pays gas in ETH. Fees on this page are converted to USD using the live ETH price, so you can compare Arbitrum One with the other 55 EVM chains on equal terms.
How much does a swap cost on Arbitrum One right now?
A typical DEX swap (≈150,000 gas) on Arbitrum One costs about $0.0057 at the current gas price of 0.0200 gwei. This updates every few minutes.
Why are gas fees changing on Arbitrum One?
Gas rises when demand for block space exceeds supply — NFT mints, airdrop claims, token trading or general congestion. Arbitrum One's status is compared against its own 7-day median, so "busy" means costlier than usual, not just a raw number.
Is Arbitrum One a Layer 2?
Yes. Arbitrum One is a Layer 2 (Optimistic Rollup), settling on Ethereum. L2s batch transactions off-chain, which is why fees are usually far lower than on Ethereum mainnet.
How do I change my RPC for Arbitrum One?
Open chainlist.org, search Arbitrum One (chainId 42161) and add a healthier RPC endpoint to your wallet. Switching RPC does NOT change the gas price (the network sets that), but a fast, non-overloaded endpoint gives better estimates and prevents stuck transactions.
When is the cheapest time to transact on Arbitrum One?
Gas is often lower at night and on weekends, but every chain has its own rhythm. EVMgastracker keeps 7 days of on-chain history per chain to surface the cheapest windows — see the "Best time" heatmap on the dashboard.
Compare Arbitrum One with other chains
Track Arbitrum One gas in real time
See all 56 EVM chains side by side, get the cheapest time to transact, and enable a low-gas alert.
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