Katana Unit Converter
Instantly convert Katana amounts between ETH and its smallest unit, the Wei. On Katana, 1 ETH = 10^18 Wei, so a single rounding mistake can be costly — this tool keeps every denomination exact.
* Katana uses the same unit system as Ethereum. 1 ETH = 1018 Wei. Gwei is commonly used for gas price calculations.
Understanding Katana units
The native asset of Katana 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.
Katana denomination table
| Unit | Value in Wei |
|---|---|
| ETH | 1,000,000,000,000,000,000 |
| Finney | 1,000,000,000,000,000 |
| Szabo | 1,000,000,000,000 |
| Gwei (Shannon) | 1,000,000,000 |
| Wei | 1 |
Why convert Katana units?
Whether you are debugging a transaction, setting gas values, reading uint256 contract data, or simply checking a balance, working in the right Katana denomination prevents expensive mistakes. This converter handles ETH, Wei, and all intermediate units with full precision.