Convert wei to gwei instantly. Type in either field — results update live.
Selected wei values converted to gwei using the exact factor from this tool.
| wei | gwei |
|---|---|
| 0.01 | 0 |
| 0.1 | 0 |
| 1 | 0.000000001 |
| 2 | 0.000000002 |
| 3 | 0.000000003 |
| 5 | 0.000000005 |
| 10 | 0.00000001 |
| 20 | 0.00000002 |
| 50 | 0.00000005 |
| 100 | 0.0000001 |
| 1,000 | 0.000001 |
Exact conversion factors in both directions, plus a worked example.
1 wei = 1e-9 gwei
1 gwei = 1000000000 wei
To convert wei to gwei, multiply by 1e-9.
To convert gwei to wei, multiply by 1000000000.
Example: convert 10 wei to gwei
10 × 1e-9 = 1e-8 gwei
Short background on the units used in this conversion.
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.
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.
gwei = wei × 0.000000001wei = gwei × 1,000,000,000, using the same exact factors as this converter.