Crypto Unit Converter for Bitcoin and Ethereum
Need an ether converter? Convert ETH, Gwei, and Wei to USD with live market price, or switch to Bitcoin to convert BTC, mBTC, and Satoshis instantly.
Quick Reference —
1 BTC = 1,000 mBTC = 100,000,000 Satoshis
1 mBTC = 100,000 Satoshis = $0.001 BTC
1 Satoshi = $0.00000001 BTC
1 ETH = 1,000,000,000 Gwei = 1,000,000,000,000,000,000 Wei
1 Gwei = 1,000,000,000 Wei = $0.000000001 ETH
1 Wei = $0.000000000000000001 ETH
How to Use the Crypto Unit Converter
The Crypto Unit Converter is designed for blockchain developers, DeFi traders, and anyone who works with cryptocurrency at the micro-denomination level. If you need an ether converter, this page handles ETH, Gwei, Wei, and USD in one place. Bitcoin values are covered too, so you can move between BTC, mBTC, and Satoshis without manual decimal math.
Select your asset family (Bitcoin or Ethereum), choose the source and target units, enter an amount, and the converter will display the converted result alongside its USD value at current market price. The price defaults to live Binance data but can be overridden manually at any time.
Common use cases include reading raw smart contract event logs, calculating exact transaction costs in human-readable terms, and converting gas fee quotes from Gwei to ETH or USD. Whether you are a developer debugging blockchain data or a trader calculating Lightning Network fees, this tool removes the risk of manual decimal errors.
Need to track portfolio value? Use the Profit/Loss Calculator for your total holdings or the DCA calculator to track average buy prices. To estimate on-chain transaction costs, try the gas fee calculator.
Crypto Unit Converter — FAQ
What is a Satoshi (Sat)?
A Satoshi, universally referred to as a 'Sat', is the absolute smallest, indivisible fractional unit of a Bitcoin recorded on the blockchain. Exactly 100,000,000 (one hundred million) Satoshis constitute 1 full Bitcoin. Because Bitcoin is incredibly expensive, quoting prices in Satoshis makes micro-transactions and Lightning Network fees significantly easier to read and calculate.
What is Gwei and Wei in Ethereum?
Wei is the absolute smallest denomination of Ethereum, where 1 ETH equals 1 Quintillion Wei (1 followed by 18 zeros). Gwei (Giga-Wei) equals exactly 1,000,000,000 Wei. Gwei is the industry-standard metric used to measure and quote Ethereum network gas fees. This converter lets you instantly translate between ETH, Gwei, Wei, and USD.
What units does this converter support for Bitcoin?
This tool supports three Bitcoin denominations: BTC (the full coin), mBTC (milli-Bitcoin, 0.001 BTC), and Satoshi (the smallest unit, 0.00000001 BTC). You can convert any of these to any other within the Bitcoin family, and instantly see the USD value using live Bitcoin price.
What units does this converter support for Ethereum?
This tool supports three Ethereum denominations: ETH (the full coin), Gwei (Giga-Wei, used for gas fees), and Wei (the indivisible smallest unit). You can convert between any of these and see real-time USD values using live Ethereum price.
Why do developers need a crypto unit converter?
Cryptocurrency smart contracts process all financial calculations using raw integer micro-units to avoid floating-point rounding errors. When reading blockchain data, you encounter values in Satoshis or Wei that need conversion to human-readable BTC/ETH amounts. This tool eliminates manual decimal arithmetic and gives you instant, accurate conversions including USD valuation.