Wei to ETH converter
Convert wei, the smallest indivisible unit of ether, into ETH. One ether equals 10^18 wei, so this tool divides your wei input by that factor to give an exact decimal ether value.
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The exact relationship
1 ether = 1,000,000,000,000,000,000 wei (10^18). To convert wei to ETH you divide by 10^18. Because wei is an integer base unit, the conversion is exact with no rounding: 500000000000000000 wei is exactly 0.5 ETH, and 1 wei is 0.000000000000000001 ETH.
Where you hit this in real work
Ethereum JSON-RPC methods like eth_getBalance and eth_call return values in wei, hex-encoded. When you decode 0xde0b6b3a7640000 you get 1000000000000000000 wei, which is 1 ETH. Reading balances, transfer amounts, or token values from raw RPC responses almost always means converting wei to a human-readable ETH figure.
Perguntas frequentes
How many wei are in one ETH?
Exactly 10^18 wei, or 1,000,000,000,000,000,000 wei. This is fixed by the Ethereum protocol and never changes.
Is the conversion exact?
Yes. Wei is an integer unit, so dividing by 10^18 produces an exact decimal ETH value with no rounding or precision loss.
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