Calculate your Ethereum profit or loss
Use the free TokenTax Ethereum profit calculator to estimate how much an ETH investment gained or lost between two dates. Enter your investment amount, choose your buy and sell dates, and see your estimated dollar return and percentage gain or loss.
You don’t need to connect a wallet or create an account. You can use the calculator to review a past ETH investment or test different historical dates before making a decision.
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What does the Ethereum profit calculator show?
The Ethereum profit calculator shows the estimated return on an ETH investment between the dates you select. You’ll see whether the investment gained or lost value, the estimated dollar profit or loss, and the percentage return.
This is an investment-return estimate. It is not necessarily the same as the capital gain or loss you report on your tax return, which depends on your actual proceeds, cost basis, transaction costs, and the ETH lot you disposed of.
How to use the Ethereum profit calculator
Using the calculator takes just a few steps:
Choose your currency: Select USD or another available base currency.
Enter your investment: Add the amount you invested in Ethereum.
Choose your buy date: Select the date you bought ETH.
Choose your sell date: Select when you sold ETH, or the historical date you want to compare against.
Review your return: See your estimated dollar profit or loss and percentage return.
You can change the amount or dates to compare different ETH investment scenarios.
Can you calculate ETH profits automatically?
Yes. The free calculator is useful for checking one ETH investment, while TokenTax can calculate gains and losses from your actual transaction history.
Sign up for TokenTax, connect your supported wallets and exchanges, and TokenTax can track transactions across your accounts, calculate cost basis, and generate the information needed for your crypto tax reports.
How to calculate Ethereum profit
For a completed ETH sale, the basic tax calculation is:
Gain or loss = Proceeds - Cost basis
Your proceeds generally equal what you received from selling your ETH, reduced by qualifying transaction costs tied to the sale. Your crypto cost basis generally starts with what you paid for the ETH, including qualifying acquisition costs.
For example, suppose you buy ETH for $2,000 and pay a $20 qualifying purchase fee. Your starting basis is $2,020. You later sell the ETH for $3,000 and pay a $10 qualifying selling fee, leaving $2,990 of proceeds.
$2,990 - $2,020 = $970 gain
That $970 is the capital gain before considering any other applicable tax rules or adjustments.
The IRS uses the same basic proceeds-minus-basis framework for digital-asset gains and losses. See the IRS digital asset FAQs for additional guidance.
How do you calculate Ethereum ROI?
Ethereum return on investment, or ROI, measures your profit or loss as a percentage of the amount you invested.
Ethereum ROI = (Profit or loss ÷ Initial investment) × 100
If you invested $2,000 in ETH and the investment gained $500, your ROI would be:
($500 ÷ $2,000) × 100 = 25%
A positive ROI means the investment increased in value. A negative ROI means it lost value.
Realized vs. unrealized Ethereum profit
An ETH investment can show a profit even when you haven’t sold anything yet. That is an unrealized gain.
If you bought ETH for $2,000 and it is now worth $3,000, you have a $1,000 unrealized gain as long as you continue to hold it. Simply buying and holding ETH generally does not create a capital gain for federal income tax purposes.
A gain or loss generally becomes realized when you sell, swap, spend, or otherwise dispose of ETH. The IRS treats digital assets held for investment as property, so those disposals can create capital gains or losses.
Learn more about how to calculate your crypto taxes and review the IRS’s digital asset guidance.
Do Ethereum gas fees affect your profit?
Yes. Ethereum gas fees and other transaction costs reduce your economic return, but their tax treatment depends on why you paid them.
Certain transaction costs paid to acquire ETH can increase your cost basis. Qualifying costs tied to a sale or other disposition can reduce your amount realized.
A gas fee for simply transferring ETH between two wallets you own is treated differently and does not automatically increase your basis as a digital asset transaction cost.
That distinction is one reason the return shown by a simple Ethereum calculator may differ from the gain or loss that ultimately appears on your tax return.
For more detail, see the IRS digital asset transaction FAQs.
What if I invested in Ethereum in the past?
You can use the Ethereum profit calculator to estimate how an earlier ETH investment would have performed.
Enter the amount you would have invested, select a historical buy date, and choose a later sell date. The calculator will show the estimated dollar profit or loss and percentage return between those dates.
For example, you can use it to answer questions such as “What if I invested $1,000 in Ethereum last year?” or compare the returns from buying ETH on different dates.
Past performance does not predict future results, but historical calculations can help you understand how ETH’s price changes affected an investment over a specific period.
Ethereum profit vs. taxable capital gain
The profit shown by an Ethereum calculator and the capital gain reported on your taxes are not always the same number.
A simple calculator estimates how an investment's value has changed. Your taxable gain or loss is based on your actual amount realized and adjusted basis for the specific ETH you disposed of.
Your tax calculation can also depend on:
Qualifying acquisition and disposal costs
The specific ETH lot you sold
Your cost basis method and records
How long you held the ETH
Whether the transaction was a sale, swap, spend, or another type of disposal
If you held ETH for one year or less, a capital gain is generally short-term. If you held it for more than one year, it is generally long-term.
TokenTax’s crypto tax rates guide explains the current rules in more detail.
How are Ethereum profits reported on your taxes?
If you sell or otherwise dispose of ETH held as an investment, you generally report the resulting capital gain or loss on your federal income tax return.
The IRS directs taxpayers to use Form 8949 for sales, exchanges, and other dispositions of digital assets held as capital assets. Those totals generally flow to Schedule D.
Our updated guide explains how to fill out Form 8949 for cryptocurrency, including the digital-asset boxes and Form 1099-DA reporting rules.
For sales made after 2025, brokers generally must report basis on Form 1099-DA for covered digital assets. Basis may still be missing for noncovered ETH, including certain assets transferred into a broker.
You can review the current IRS Form 1099-DA instructions for more information.
Crypto taxes are our expertise
A quick Ethereum calculator can estimate the return on one investment. Actual crypto tax reporting gets more complicated when you have multiple ETH purchases, wallets, exchanges, swaps, transfers, gas fees, or missing basis.
TokenTax brings together your supported transaction history, calculates gains and losses, tracks cost basis, and generates crypto tax reports.
You can view our supported integrations or work with one of our crypto tax professionals if you need help with a more complex tax situation.