# how to earn eth gas

• ### How much does gas cost in ETH?

• Gas prices are denoted in gwei, which itself is a denomination of ETH – each gwei is equal to 0.000000001 ETH (10 -9 ETH). For example, instead of saying that your gas costs 0.000000001 ether, you can say your gas costs 1 gwei. The word ‘gwei’ itself means ‘giga-wei’, and it is equal to 1,000,000,000 wei.

• ### How much does it cost to pay Bob with ETH?

• Let’s say Alice had to pay Bob 1 ETH. In the transaction, the gas limit is 21,000 units, and the gas price is 200 gwei. Total fee would have been: Gas units (limit) * Gas price per unit i.e 21,000 * 200 = 4,200,000 gwei or 0.0042 ETH When Alice sent the money, 1.0042 ETH would be deducted from Alice’s account. Bob would be credited 1.0000 ETH.

• ### What is an Ethereum gas fee?

• Since each Ethereum transaction requires computational resources to execute, each transaction requires a fee. Gas refers to the fee required to conduct a transaction on Ethereum successfully. Gas fees are paid in Ethereum’s native currency, ether (ETH).

• ### What currency is used to pay for Ethereum gas?

• Gas fees are paid in Ethereum’s native currency, ether (ETH). Gas prices are denoted in gwei, which itself is a denomination of ETH – each gwei is equal to 0.000000001 ETH (10 -9 ETH).