Crypto Unit Converter

Convert between crypto denominations for BTC, ETH, LTC, and SOL. Satoshi to BTC, Gwei to ETH, Lamport to SOL and more.

Convert between denominations of any major cryptocurrency.
BTC, ETH, LTC, SOL — every unit, instant conversion.

Every cryptocurrency has its own system of denominations, from the base unit down to the smallest fraction. Whether you need to convert Satoshis to BTC, Gwei to ETH, or Lamports to SOL, this tool handles it all. No API calls needed — conversions are calculated instantly in your browser using exact arithmetic.

Crypto Unit Converter

Bitcoin Units

Understanding Crypto Denominations

Just as traditional currencies have cents, centimes, and pence, cryptocurrencies have their own sub-units. These smaller denominations exist because a single coin can be worth thousands of dollars, making fractional amounts necessary for everyday use and precise calculations.

The concept is simple: each cryptocurrency defines a smallest indivisible unit, and all other denominations are multiples of that base. For Bitcoin, it's the satoshi. For Ethereum, it's the wei. Understanding these relationships is essential for reading blockchain data, setting transaction fees, and working with smart contracts.

Crypto Unit Reference Table

Coin Unit Value in Base Unit
BTC Bitcoin (BTC) 1
mBTC 0.001
µBTC / bit 0.000001
Satoshi 0.00000001
ETH Ether (ETH) 1
Gwei 0.000000001
Wei 10-18
LTC Litecoin (LTC) 1
mLTC 0.001
Litoshi 0.00000001
SOL Solana (SOL) 1
Lamport 0.000000001

Why Different Units Exist

Crypto denominations serve the same purpose as traditional currency sub-units: making small amounts practical and readable. Nobody wants to write "0.00000350 BTC" when "350 sats" communicates the same value more clearly.

Everyday Transactions

As crypto prices rise, smaller denominations become essential. A cup of coffee might cost 5,000 sats instead of 0.00005 BTC. Gwei is the standard unit for Ethereum gas fees. These human-friendly units make crypto more accessible.

Smart Contract Precision

Ethereum smart contracts operate in wei (the smallest unit) to avoid floating-point errors. When a DeFi protocol shows "10 Gwei gas fee," it's actually working with 10,000,000,000 wei under the hood. Precision prevents costly rounding errors.

Mining Payouts

Mining pools calculate rewards down to the smallest unit. Understanding these denominations helps you verify your pool payouts are accurate and track your earnings at the most granular level.

Frequently Asked Questions

What is the smallest unit of Bitcoin?
The smallest unit of Bitcoin is the satoshi (sat), equal to 0.00000001 BTC (one hundred millionth of a Bitcoin). It is named after Bitcoin's creator, Satoshi Nakamoto. There are exactly 100,000,000 satoshis in one Bitcoin.
What is Gwei and why is it used for gas fees?
Gwei (gigawei) equals 1,000,000,000 wei or 0.000000001 ETH. It's the standard unit for expressing Ethereum gas fees because the amounts are human-readable. A gas fee of "20 Gwei" is much easier to understand than "0.00000002 ETH" or "20,000,000,000 wei."
How many Lamports are in one SOL?
One SOL equals 1,000,000,000 (one billion) lamports. The lamport is named after Leslie Lamport, a computer scientist whose work on distributed systems influenced Solana's architecture. It's the smallest unit of SOL, similar to how a satoshi is the smallest unit of Bitcoin.
What is a Litoshi?
A litoshi is the smallest unit of Litecoin, analogous to Bitcoin's satoshi. One litoshi equals 0.00000001 LTC. Since Litecoin is a fork of Bitcoin, it shares the same 8-decimal-place precision. There are 100,000,000 litoshis in one Litecoin.
Why do Ethereum and Solana use more decimal places than Bitcoin?
Ethereum uses 18 decimal places (wei) because it was designed for programmable money and smart contracts that require extreme precision for financial calculations. Solana uses 9 decimal places (lamports). More decimal places reduce rounding errors in complex DeFi operations, token swaps, and fee calculations.
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