Ether is a crypto currency that is associated with a value which

keeps on fluctuating, depending upon the demand and supply in the

market. One can always buy, retain, and sell the Ethers in a crypto

exchange.

You can find all the units and subunits of Ether in Table 2.6, as

follows (https://ethdocs.org/en/latest/ether.html):

Table 2.6: Units of Ether

2.5.12.2 Gas vs. Ether

Please note that Gas and Ether are two different things. Unlike

Ether, gas is associated with the cost of the operation for running the

smart contract. However, internally, the gas is converted to Ether,

though not directly. But how? Let’s see.

The equation of the Transaction Fee associated with any operation

on the Ethereum network is as follows:

Tx Fees = Gas Limit * Gas Price

2.5.12.3 Gas limit

It’s the maximum value that the user is ready to pay to run an

operation. The minimum price of the Gas limit is 21,000. If the entire

value is not consumed, then the rest is returned to the user’s

account after the execution of the transaction. The Gas limit helps