How Many Wei is 1 ETH?

1 ETH equals 1,000,000,000,000,000,000 Wei (10^18 Wei).

Embed this tool on your site

<iframe src="https://abracalc.com/calculator/wei-gwei-eth-converter/1-eth-in-wei/embed.html" width="340" height="320" style="border:1px solid #e4e7ec;border-radius:12px" loading="lazy"></iframe>

How to use this tool

Enter an amount in Wei.
Read the equivalent value in Gwei and ETH.

Convert 1 ETH to Wei and see just how many of the smallest Ethereum units make one full coin.

Frequently asked questions

What is Wei?: Wei is the smallest denomination of Ether (ETH), analogous to Satoshis in Bitcoin. 1 ETH = 1,000,000,000,000,000,000 Wei (10^18).
What is Gwei used for?: Gwei (gigawei) is the standard unit for Ethereum gas prices. Gas prices are typically quoted in Gwei; e.g. a gas price of 20 Gwei = 20,000,000,000 Wei.