Arbitrum Unit Converter

Instantly convert Arbitrum amounts between ETH and its smallest unit, the Wei. On Arbitrum, 1 ETH = 10^18 Wei, so a single rounding mistake can be costly — this tool keeps every denomination exact.

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* Arbitrum uses the same unit system as Ethereum. 1 ETH = 1018 Wei. Gwei is commonly used for gas price calculations.

Understanding Arbitrum units

The native asset of Arbitrum is ETH, divisible into 18 decimal places. The smallest indivisible unit is the Wei. Smart contracts, RPC responses, and on-chain transactions almost always use Wei, while wallets and exchanges display ETH — converting between them correctly is essential for developers and traders alike.

Arbitrum denomination table

UnitValue in Wei
Ether (ETH)1,000,000,000,000,000,000
Finney1,000,000,000,000,000
Szabo1,000,000,000,000
Gwei (Shannon)1,000,000,000
Wei1

Why convert Arbitrum units?

Whether you are debugging a transaction, setting gas values, reading uint256 contract data, or simply checking a balance, working in the right Arbitrum denomination prevents expensive mistakes. This converter handles ETH, Wei, and all intermediate units with full precision.