Does it cost to convert ETH to Weth?

Are there any fees involved in converting Ethereum (ETH) to Wrapped Ethereum (WETH)? If so, what are the typical costs associated with this process? Is there a fixed rate or does it vary depending on factors such as market conditions or the exchange being used? Are there any potential savings or discounts available for users who convert large amounts of ETH to WETH? Lastly, are there any hidden costs or fees that users should be aware of when making this type of conversion?