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Onchain Tools Crypto unit converter
ETH is the native coin of Ethereum: 1 ETH = 1,000,000,000,000,000,000 wei, and 1 wei = 0.000000000000000001 ETH. Wei is named after Wei Dai, creator of the b-money proposal, and it is the unit the EVM itself accounts in — every balance a smart contract sees is an integer count of wei. To convert ETH to wei, multiply by 1,000,000,000,000,000,000 — move the decimal point 18 places to the right. Or skip counting zeros: type the amount into the converter above — it uses exact integer arithmetic, so nothing is ever rounded. Converting the other way? See Wei to ETH.
| ETH | Wei |
|---|---|
| 1 | 1,000,000,000,000,000,000 |
| 10 | 10,000,000,000,000,000,000 |
| 100 | 100,000,000,000,000,000,000 |
| 1,000 | 1,000,000,000,000,000,000,000 |
| 1,000,000 | 1,000,000,000,000,000,000,000,000 |