Ethereum Converter – Convert ETH and Fiat Currencies to Wei
Convert Ethereum (ETH) and major fiat currencies like USD, EUR, GBP, JPY or CNY into wei. Wei is the smallest unit of Ethereum: 1 ETH = 1,000,000,000,000,000,000 wei.
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- ETH to Wei converter — Exact conversion
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What is Wei?
Wei is the smallest denomination of Ethereum. Using wei avoids floating-point rounding issues and allows exact representation of ETH values.
Ethereum Pulse provides fast, simple and accurate tools to convert ETH or fiat currencies into wei using deterministic formulas or live market prices.
Ethereum scalability and the blockchain trilemma
Ethereum addresses the blockchain trilemma — security, decentralization and scalability — through rollups, improved data availability (blobs / PeerDAS) and increasingly efficient zero-knowledge proofs.
Learn more on the dedicated page: Ethereum trilemma explained.
Frequently Asked Questions
How many wei are in one ETH?
There are exactly 1,000,000,000,000,000,000 wei (1e18) in 1 ETH.
Are fiat conversions real-time?
Fiat conversions use the latest available ETH market price and provide estimated results.
Is this ETH converter free?
Yes. All converters on this website are completely free to use.