OP Mainnet Gas Price Today
NormalAs of Tue, 28 Jul 2026 22:15:27 UTC, gas on OP Mainnet is 0.0010 gwei (about $0.0₃29 for a typical swap).
1 ETH = $1,920.88
Transaction speed on OP Mainnet
Priority tiers from the network's recent fee history (tip percentiles). Shown only on chains where speed actually changes the fee.
Cost per action on OP Mainnet
Estimates: gas units × live gas price × ETH price. Real cost depends on the exact contract called.
Best time to transact on OP Mainnet
Cheapest window this week (UTC): Sunday 20:00–21:00, median 0.0010 gwei.
Median gas by hour (UTC), last 7 days. Green = cheaper, red = pricier.
OP Mainnet 7-day gas history
Why is gas moving on OP Mainnet?
As of Fri, 24 Jul 2026 22:55:42 UTC, the most gas-intensive activity on OP Mainnet is token transfers (76.7% of recent block gas), based on the latest blocks analysed on-chain.
Dominant activity right now: Token transfers (76.7% of gas).
OP Mainnet network facts
| Chain ID | 10 |
| Type | L2 — Optimistic (OP Stack) |
| Gas token | ETH |
| Settles on | Ethereum |
| ETH price | $1,920.88 |
| Market cap | $232.1B |
| 24h volume | $11.2B |
| Circulating supply | 120.68M ETH |
| Total supply | 120.68M ETH |
| TVL (DeFiLlama) | $300M |
| Explorer | optimistic.etherscan.io |
| RPC list | chainlist.org/chain/10 |
How to pay less gas on OP Mainnet
- Transact during the cheapest window: Sunday around 20:00 UTC, when OP Mainnet gas is historically lowest.
- OP Mainnet 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/10. It won't change the gas price (the network sets that) but prevents stuck transactions.
- OP Mainnet is a Layer 2, so fees are already far below Ethereum mainnet — batch actions where you can to avoid paying the same overhead twice.
OP Mainnet gas — FAQ
What gas token does OP Mainnet use?
OP Mainnet pays gas in ETH. Fees on this page are converted to USD using the live ETH price, so you can compare OP Mainnet with the other 55 EVM chains on equal terms.
How much does a swap cost on OP Mainnet right now?
A typical DEX swap (≈150,000 gas) on OP Mainnet costs about $0.0₃29 at the current gas price of 0.0010 gwei. This updates every few minutes.
Why are gas fees changing on OP Mainnet?
Gas rises when demand for block space exceeds supply — NFT mints, airdrop claims, token trading or general congestion. OP Mainnet's status is compared against its own 7-day median, so "busy" means costlier than usual, not just a raw number.
Is OP Mainnet a Layer 2?
Yes. OP Mainnet is a Layer 2 (Optimistic (OP Stack)), 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 OP Mainnet?
Open chainlist.org, search OP Mainnet (chainId 10) 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 OP Mainnet?
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 OP Mainnet with other chains
Track OP Mainnet gas in real time
See all 56 EVM chains side by side, get the cheapest time to transact, and enable a low-gas alert.
Open the dashboard