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ConvertUnitOnline

Gwei to Wei

Convert gwei to wei instantly. Type in either field — results update live.

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ethereum-units Gwei Wei

1 gwei = 1,000,000,000 weis

Unit
Unit
Format

Conversion table

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

How to convert

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

About these units

Short background on the units used in this conversion.

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.

Wei

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.

Frequently asked questions

How many weis are in one gwei?
One gwei equals 1,000,000,000 weis. Multiply your gweis value by 1,000,000,000 to convert to weis.
What is the conversion formula?
wei = gwei × 1,000,000,000

The reverse is gwei = wei × 0.000000001, using the same exact factors as this converter.
Is this Gwei to Wei converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.