To put it simply, Ethereum gas is a unit used to measure the amount of computational effort that it will take to execute a given transaction or smart contract. In other words, it represents the amount of work that needs to be done in order for a transaction to be processed by the Ethereum network.
The gas limit is the maximum amount of gas that a transaction can use, and the gas price is the amount of ETH that a user is willing to pay per unit of gas. Together, these two factors determine the total cost of a transaction.
There are a few different ways to calculate Ethereum gas. One popular method is to use an online gas calculator like Eth Gas Station.
Simply enter in the values for gas limit and gas price, and the calculator will spit out the total cost of the transaction in ETH.
Another way to calculate gas is to use the Ethereum blockchain itself. Every transaction on the Ethereum network is associated with a gas limit and gas price, so all you need to do is look up these values for your specific transaction.
Once you have them, simply multiply the gas limit by the gas price to get the total cost.
In conclusion, there are a few different ways to calculate Ethereum gas. The most popular method is to use an online gas calculator like Eth Gas Station.
Alternatively, you can also use the Ethereum blockchain itself to look up the necessary values for your specific transaction.