Free · US federal · UK CGT · Rates from the tax engine

How much tax is that crypto sale?

Pick your country, enter the sale and your income, read the estimate. Then connect your accounts and get the real number from every transaction you actually made.

Estimates use the same rate tables the app files with. Nothing you type here is stored.

US federal estimateTax year 2026
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Earn staking, interest, lending or mining rewards?
$

Ordinary income at fair market value the day each reward arrived (Rev. Rul. 2023-14), reported on Schedule 1. That value becomes its cost basis.

Receive airdrops or forked coins?
$

Income when you gain control of them (Rev. Rul. 2019-24), each priced on its own day, even if you never sold.

Have capital losses carried forward from earlier years?
$

Nets against gains first, short-term before long-term here. If losses still exceed gains, $3,000 offsets other income and the rest rolls on.

Sell NFTs you had held for more than a year?

If the IRS treats the NFT as a collectible (art, for instance), the long-term rate is up to 28% instead of 20%. Decided per asset.

Move coins between your own wallets or exchanges?

Not a sale, but every exchange export shows the withdrawal as one, and your 1099-DA may show it with no basis. Each transfer has to be matched to its arrival.

Hold the same coin in more than one wallet or exchange?

Since January 2025 cost basis is tracked per wallet (Rev. Proc. 2024-28). Which lot you sold depends on where you sold it, per transaction.

Short-term gainordinary income rates$0
Long-term gain0 / 15 / 20% brackets$0
Estimated federal tax$0
Calculate my real US gain

Federal estimate. Ignores state tax, the 3.8% NIIT and the $3,000 net-loss deduction. Brackets from the tables Moonscape files with.

The rulesWhat the estimate leaves out

One gain is an estimate. Your history is the answer.

A real return is hundreds of disposals, each matched to a purchase under your country’s rules. That is what the app does.

01
Lot matching

FIFO, LIFO or HIFO in the US; same-day, 30-day and Section 104 pooling in the UK. Applied to every disposal, per wallet.

02
Transfers

Moving coins between your own wallets is not a sale. The engine matches both sides so you are not taxed on it.

03
Income

Staking, airdrops, interest and rewards priced in your currency on the day received, then carried as cost basis.

04
Losses

Losses net against gains, then carry forward, with the rules for each country.

05
Forms

Form 8949 and Schedule D for the IRS; SA108 Helper and Computation for HMRC. See the hubs for which report answers which form.

How it worksYour time in: about 20 minutes

Three steps from exchange exports to a filing-ready report.

Connect read-only, review the working, export the forms.

01
Connect accounts

API keys, CSV uploads or wallet addresses. 300+ exchanges, wallets and chains.

02
Review the working

Every disposal with the lot it matched, the cost it took and the resulting gain.

03
Export

IRS or HMRC reports, plus an audit trail your accountant can follow.

QuestionsBefore you connect
Is this the real calculation?

No. It is a quick federal or CGT estimate from one gain and your income. The app calculates from your actual transactions: every lot matched, transfers excluded, income priced on the day.

Which countries does Moonscape support?

United States, United Kingdom, Australia, Canada, Germany, Poland and more. The US and UK hubs above cover forms, deadlines and official links.

Is it free?

Connecting accounts and reconciling your history is free. One payment per tax year unlocks the figure and the filing reports.

What do I need to start?

Read-only API keys or CSV exports from your exchanges, and your wallet addresses. Nothing to install.

What about DeFi and NFTs?

Swaps, liquidity pools, staking, lending, bridges and NFT trades are imported from the chain and categorised. Unknown contracts are flagged for review rather than guessed.

Can my accountant use it?

Yes. Every report carries the working behind the numbers, and there is a separate view for tax professionals.

US hub · IRS forms and deadlines · UK hub · HMRC forms and deadlines · Australia · Canada · Germany · Poland

Now the real number.

Connect your exchanges and wallets and get the figure from your actual transactions. Import and organise your transactions free. Pay for the tax report, including your tax figures and forms.