> For the complete documentation index, see [llms.txt](https://docs.agilefi.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.agilefi.org/getting-started/protocol-math/atoken-and-underlying-decimals.md).

# aToken and Underlying Decimals

Prices and exchange rates are scaled by the decimals unique to each asset; aTokens are ERC-20 tokens with 8 decimals, while their underlying tokens vary, and have a public member named *decimals*.

| aToken | aToken Decimals | Underlying | Underlying Decimals |
| ------ | --------------- | ---------- | ------------------- |
| aBNB   | 8               | ETH        | 18                  |
| aUSDC  | 8               | USDC       | 6                   |
| aUSDT  | 8               | USDT       | 6                   |
| aBUSD  | 8               | BUSD       | 18                  |
| sLINK  | 8               | LINK       | 18                  |
| sUNI   | 8               | UNI        | 18                  |
| aCOMP  | 8               | COMP       | 18                  |
| sWBTC  | 8               | WBTC       | 8                   |
| sAGL   | 8               | AGL        | 18                  |