ETH Unit Converter
Convert between Wei, Gwei, Finney and Ether — gas, balances and DeFi in one place.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use ETH Unit Converter
Follow these steps — everything happens instantly in your browser.
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Step 1. Type a value into any of the unit fields (Wei, Gwei, Finney, Ether).
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Step 2. All other fields update instantly as you type.
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Step 3. Use the presets (1 Gwei, 21,000 gas, etc.) for common reference values.
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Step 4. Copy any value with the copy button next to its label.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about eth unit converter.
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