Convert Optimism (OP) to Arbitrum (ARB)
1 OP equals about 1.114889 ARB. Swap Optimism to Arbitrum natively across chains with live rates and low fees.
Last updated: May 16, 2026, 02:29 PM UTC
How to convert Optimism to Arbitrum
- 1
Enter an amount
Type how much Optimism you want to swap. The estimated Arbitrum you receive updates instantly.
- 2
Open the swap
Tap "Swap on NativeSwap" to carry your pair and amount straight into the app.
- 3
Connect and confirm
Connect your wallet, review the route, and confirm. Your Arbitrum arrives at your address.
Why swap OP on NativeSwap
Fast settlement
Swaps complete in minutes once confirmed on-chain.
Self-custody
Your keys, your crypto. We never hold your funds.
No bridges
Native cross-chain routing, no wrapped tokens.
Low fees
A clear ~10-15 bps fee, shown before you confirm.
OP to ARB - frequently asked questions
How much ARB do I get for 1 OP?
At current market rates, 1 OP converts to about 1.114889 ARB. The rate moves with the market, so check the live figure above before you swap.
How much OP do I get for 1 ARB?
Going the other way, 1 ARB is roughly 0.896950 OP. Use the calculator above for any amount.
What is 1 OP worth in USD?
1 OP is currently about $0.13 USD. Prices refresh regularly to track the market.
Is the OP to ARB swap non-custodial?
Yes. NativeSwap is an interface only. Your Optimism moves from your wallet to the decentralized protocol you pick, then your Arbitrum lands at your address. We never hold the funds.
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