Gwei
Gwei (gigawei) equals 0.000000001 ether (10⁻⁹ ETH) — the standard unit for Ethereum gas prices. A fixed denomination, not a gas cost in dollars.
Gas fees are quoted in gwei per gas unit; 1,000,000,000 gwei always equals 1 ether.
Convert gwei to wei instantly. Type in either field — results update live.
Selected gwei values converted to wei using the exact factor from this tool.
| gwei | wei |
|---|---|
| 0.01 | 10,000,000 |
| 0.1 | 100,000,000 |
| 1 | 1,000,000,000 |
| 2 | 2,000,000,000 |
| 3 | 3,000,000,000 |
| 5 | 5,000,000,000 |
| 10 | 10,000,000,000 |
| 20 | 20,000,000,000 |
| 50 | 50,000,000,000 |
| 100 | 100,000,000,000 |
| 1,000 | 1,000,000,000,000 |
Exact conversion factors in both directions, plus a worked example.
1 gwei = 1000000000 wei
1 wei = 1e-9 gwei
To convert gwei to wei, multiply by 1000000000.
To convert wei to gwei, multiply by 1e-9.
Example: convert 10 gwei to wei
10 × 1000000000 = 1e+10 wei
Short background on the units used in this conversion.
Gwei (gigawei) equals 0.000000001 ether (10⁻⁹ ETH) — the standard unit for Ethereum gas prices. A fixed denomination, not a gas cost in dollars.
Gas fees are quoted in gwei per gas unit; 1,000,000,000 gwei always equals 1 ether.
Wei is the smallest Ether denomination — 0.000000000000000001 ether (10⁻¹⁸ ETH). Fixed factor for on-chain integer math, not an exchange rate.
Smart contracts and balances store values in wei for full 18-decimal precision; 10¹⁸ wei always equals 1 ether.
wei = gwei × 1,000,000,000gwei = wei × 0.000000001, using the same exact factors as this converter.