Arbitrum Calculators
The largest Ethereum rollup — but ARB is not its gas token.
5 free ARB calculators
Every one opens with the live ARB price already filled in. All maths runs in your browser — no signup, nothing stored.
Free Arbitrum (ARB) profit calculator. Enter your buy and sell price to see ARB profit, loss, ROI and fees — prefilled with the live ARB price.
Free Arbitrum (ARB) dollar-cost-averaging calculator. Model recurring ARB buys to see coins accumulated, average entry and portfolio value at today's live price.
Work out your weighted average Arbitrum (ARB) entry price across multiple buys — and see exactly where your break-even sits.
Find the exact Arbitrum (ARB) price that liquidates your leveraged position. Prefilled with the live ARB price — set your leverage and direction.
Calculate Arbitrum (ARB) market cap from the live ARB price and circulating supply — plus FDV, and the price ARB would need to reach any target valuation.
About Arbitrum
Arbitrum One is the biggest optimistic rollup on Ethereum by value locked: transactions execute off-chain and post data back to Ethereum, with a challenge window during which a fraud proof can undo an invalid batch. That window is why withdrawing to Ethereum the trustless way takes about a week. The point people most often get wrong: ARB is a governance token, and gas on Arbitrum is paid in ETH, so holding ARB is not required to use the chain.
Arbitrum transactions typically cost cents, since the rollup amortises Ethereum data costs across a whole batch; that cost still moves with Ethereum's own fee market.
ARB has been under near-constant unlock pressure since launch, and trades on rollup competition and on Ethereum's own fee narrative.
Arbitrum at a glance
- Launched
- Chain August 2021; ARB token March 2023
- Type
- Optimistic rollup settling to Ethereum
- Max supply
- 10,000,000,000 ARB
- Gas token
- ETH — not ARB
- Withdrawals
- ~7-day challenge window for trustless exits to Ethereum
- Native staking
- None — ARB is used for governance
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