ETH Unit Converter
Convert between Ethereum units (Wei, Gwei, Ether and more) and see the live fiat value.
Wei
smallest unit (10⁻¹⁸ ETH)
Kwei
10³ Wei
Mwei
10⁶ Wei
Gwei
gas price unit (10⁹ Wei)
Szabo
10¹² Wei
Finney
10¹⁵ Wei
Ether
ETH (10¹⁸ Wei)
Kether
10²¹ Wei
Mether
10²⁴ Wei
Gether
10²⁷ Wei
Tether
10³⁰ Wei
Ethereum units explained
Ether (ETH) is divisible into many named sub-units. The smallest is Wei; the most practical for everyday use is Gwei, in which Ethereum gas fees are quoted. One Ether equals 10¹⁸ Wei.
| 1 Ether | 10¹⁸ Wei |
| 1 Ether | 10⁹ Gwei |
| 1 Gwei | 10⁹ Wei |
| 1 Szabo | 10¹² Wei |
| 1 Finney | 10¹⁵ Wei |
Frequently asked questions
Wei is the smallest unit of Ether (ETH). One Ether equals 1,000,000,000,000,000,000 (10¹⁸) Wei. It is named after Wei Dai, a cryptography pioneer.
Gwei (gigawei) equals 1,000,000,000 (10⁹) Wei, or 0.000000001 ETH. Ethereum gas fees are almost always quoted in Gwei, so it is the most practical unit when estimating transaction costs.
One Ether equals 10¹⁸ Wei, that is a 1 followed by eighteen zeros.
Yes. The Token Radar ETH unit converter is free and instantly converts between Wei, Gwei, Ether and all standard Ethereum units, with a live fiat value.