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Tools/Wei / Gwei / ETH
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Wei ↔ ETH converter

Convert units exactly. Every digit stays where it belongs.

Exact decimal conversion. No rounding, market prices or RPC calls.

HOW THE CONCEPT WORKS · SEPARATE TEACHING EXAMPLE
The same native ether amount shown as ETH, Gwei and WeiETH1× 1 billionGWEI1000000000× 1 billionWEI1000000000000000000

1 ETH = 1000000000 Gwei = 1000000000000000000 Wei.

Same value · different units · native ether only

How to use this wei / gwei / eth

Convert between Wei, Gwei and ETH using exact integer arithmetic. Supports up to 18 decimal places for ETH and 9 for Gwei, with no price feed or network request. Start with the prefilled example, change an input, and run the calculation. Invalid values produce an explanation rather than a misleading result.

What the result means

These results describe your supplied inputs. They do not query a blockchain, check balances, estimate current network conditions, or submit transactions. Read eth, gwei and wei for the meaning and limits of the calculation.