Gas Unit Converter
Convert between Wei, Gwei and Ether with full BigInt precision — perfect for gas estimates.
- Runs in your browser
- No upload on server
- Free, forever
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wei
21000000000000gwei
21000ether
0.0000211 Ether = 1,000,000,000 Gwei = 1018 Wei. Gas prices are usually quoted in Gwei.
How this works — and why it's private
Type a value, choose its unit and read all three forms below. All math uses BigInt so even 18‑decimal Ether values stay exact.
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