# Total Supply

Total Supply is the number of tokens currently in circulation in this bToken market. It is part of the EIP-20 interface of the bToken contract.

**BErc20 / CEther**

```
function totalSupply() returns (uint)
```

* `RETURN`: The total number of tokens in circulation for the market.

**Solidity**

```
BErc20 bToken = BToken(0x3FDA...);
uint tokens = bToken.totalSupply();
```

**Web3 1.0**

```javascript
const bToken = CEther.at(0x3FDB...);
const tokens = (await bToken.methods.totalSupply().call());
```