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