If you’re new to Ethereum it’s likely you are wondering just what is Gwei anyways? You may have seen this word when you initiate a transaction on the Ethereum blockchain. Gwei is always associated with the fees you pay on a transaction on the Ethereum network.


1 ETH = 1,000,000,000 Gwei

1 ETH (Wei) can be broken down to 1,000,000,000 units called Gwei. The best way to remember how Gwei works is to compare it to what satoshi are to Bitcoin, or a penny to a one hundred dollar bill. There are many denominations of ether which are listed in the chart below.


UnitWei ValueWei
wei1 wei1
Kwei (babbage)1e3 wei1,000
Mwei (lovelace)1e6 wei1,000,000
Gwei (shannon)1e9 wei1,000,000,000
microether (szabo)1e12 wei1,000,000,000,000
milliether (finney)1e15 wei1,000,000,000,000,000
ether1e18 wei1,000,000,000,000,000,000