# IWETH9

### Functions[​](https://docs.uniswap.org/contracts/v3/reference/periphery/interfaces/external/IWETH9#functions) <a href="#functions" id="functions"></a>

#### deposit[​](https://docs.uniswap.org/contracts/v3/reference/periphery/interfaces/external/IWETH9#deposit) <a href="#deposit" id="deposit"></a>

```solidity
  function deposit(
  ) external
```

Deposit ether to get wrapped ether

#### withdraw[​](https://docs.uniswap.org/contracts/v3/reference/periphery/interfaces/external/IWETH9#withdraw) <a href="#withdraw" id="withdraw"></a>

```solidity
  function withdraw(
  ) external
```

Withdraw wrapped ether to get ether