Gas Fee Calculator

Gas Fee Calculator

Track and calculate your cryptocurrency investments with this gas fee calculator. Analyze returns, plan trades, and understand your portfolio performance.

What You Can Calculate

• Profit/Loss: See gains or losses from your trades
• ROI: Calculate return on investment percentage
• Break-even Price: Know when you'll recover your investment
• Average Cost: Calculate your dollar-cost average

Using This Calculator

1. Enter your purchase price and quantity 2. Input the current or target price 3. Add any fees or transaction costs 4. Review your profit/loss analysis

The Risk Specific to This Asset

Cryptocurrency investments involve significant volatility, evolving regulation, and custody risk. Understand what you are buying before sizing a position.

Risks Common to Every Crypto Asset

• Custody: losing a private key loses the asset permanently, with no recovery process
• Regulation: treatment varies by jurisdiction and changes with little notice
• Counterparty: an exchange balance is a claim on the exchange, not an asset you hold
• Volatility: 50%+ drawdowns are ordinary rather than exceptional in this asset class

How Gas Pricing Works After EIP-1559

`` fee = gas used × (base fee + priority fee) ``

The base fee is set by the protocol and adjusts each block toward 50% utilisation — it rises when blocks are full and falls when they are not. It is burned, not paid to validators. The priority fee is your tip, and it is what actually competes for inclusion.

Transaction	Gas limit
ETH transfer	21,000
ERC-20 transfer	~65,000
Uniswap swap	~184,000
NFT mint	~150,000
Contract deployment	1,500,000+

Gas limit is a ceiling, not a charge: unused gas is refunded, so setting it slightly high costs nothing while setting it too low wastes the whole fee on a failed transaction.

Practical ways to pay less:

• Time it. Base fees are lowest at weekends and during US night hours.
• Use a layer 2. Arbitrum, Base and Optimism cost a fraction of mainnet and settle to it.
• Batch. One transaction doing five things costs far less than five transactions.
• Avoid approval spam. Each token approval is its own transaction; approve once for the

amount you need rather than repeatedly.

Costs That Turn a Gain Into a Loss

Cost	Typical	When it applies
Exchange fee	0.1–1.5%	Both on buy and on sell
Spread	0.05–1%	The gap between quote and fill
Network fee	$0.01–$50	Per on-chain transaction
Withdrawal fee	Fixed per asset	Moving off the exchange
Conversion	0.5–2%	Fiat in and out

A 1% fee on each side of a trade is 2% of the position, which on a 10% gain is a fifth of the profit. Calculations that compare only entry and exit price overstate returns systematically, and the overstatement is worst on frequent small trades.

Volatility Is Not Symmetric

Drawdown	Gain needed to recover
−10%	+11%
−25%	+33%
−50%	+100%
−75%	+300%
−90%	+900%

Recovering from a loss takes a larger percentage than the loss itself, because the gain applies to a smaller base. This is why position sizing matters more than entry timing: a position that can fall 90% needs to multiply tenfold just to break even.

Custody

"Not your keys, not your coins" is not a slogan — Mt. Gox, QuadrigaCX, Celsius and FTX all lost customer assets held on their platforms.

Where	Control	Risk
Exchange	Theirs	Insolvency, freeze, hack
Hot wallet	Yours	Malware, phishing
Hardware wallet	Yours	Physical loss, seed exposure
Multisig	Shared	Complexity

A seed phrase is the asset. Anyone who reads it owns the funds, and losing it is unrecoverable — there is no reset.

Tax Follows Every Disposal

In the US the IRS treats crypto as property, so selling, swapping one token for another and spending it are all taxable events, whether or not dollars moved. Cost basis must be tracked per lot, per wallet. Without records the default assumption is a zero basis, which makes the entire proceeds taxable.