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Crypto & tax · MA

Massachusetts Crypto Tax Calculator

Estimate your 2026 federal and Massachusetts state tax on crypto capital gains, with FIFO, LIFO, or HIFO cost basis.

Cost-basis method — changes which lots are sold
Transactions4
$
$
$
$
$
Estimated tax owedFIFO
$2,410
short-term gains$3,000
long-term gains$8,000
short-term tax$660
long-term tax$1,200
MA state tax$550
total gains
$11,000
estimated tax
$2,410
effective rate
21.9%

A $10,000 crypto gain realized in Massachusetts attracts about $500 in Massachusetts tax — a marginal rate of 5.00% — for someone otherwise earning the state median of $113,900. Federal capital-gains tax applies on top.

Massachusetts taxes capital gains as ordinary income, so the gain stacks on your other income and is taxed at the rate that band falls in. Figures use 2026 Massachusetts rules and 2026 federal rules, single filer. Holding period decides the federal rate.

Crypto capital-gains tax in Massachusetts

Massachusetts taxes most income at a flat 5%, but the voter-approved 4% ‘Fair Share’ surtax applies to taxable income above $1,107,750 for 2026 — an effective 9% top rate. The threshold is inflation-indexed and identical for every filing status, so unlike most states a married couple gets no wider band than a single filer; it has climbed from $1,053,750 in 2024 to $1,083,150 in 2025 and $1,107,750 now. There is no standard deduction; each filer instead gets a $4,400 personal exemption ($8,800 joint).

Long-term capital gains and crypto held over a year are taxed at the ordinary 5% rate in Massachusetts, but short-term gains face a higher 8.5% rate that this ordinary-rate estimate does not capture.

Common questions

How are crypto gains taxed in Massachusetts?
As ordinary income: this estimate stacks the gain on your other income and runs it through the same schedule as wages — 5% to 9%. Any Massachusetts exclusion or cap on long-term gains is not applied here.
How much Massachusetts tax would a $10,000 crypto gain cost?
About $500 of Massachusetts tax, on top of federal capital-gains tax. That is the gain stacked on Massachusetts's $113,900 median household income (2024), where it lands in the 5% band.
What Massachusetts rate applies to my gain?
Whichever band the gain lands in once it is added to your other income — Massachusetts's 2026 schedule runs 5% to 9%, with the top rate starting at $1,107,750 of taxable income. A large sale can therefore push part of the gain into a higher band than your wages sit in.

How we calculate this

Federal lot-matching per our crypto-tax methodology, plus Massachusetts's 2026 state treatment of capital gains. Estimates only — not tax advice.

Massachusetts DOR: 2026 Form 1-ES estimated tax payment vouchers, instructions and worksheets (2026 surtax threshold $1,107,750) →Massachusetts Dept. of Revenue — Massachusetts tax rates →Tax Foundation: State Individual Income Tax Rates and Brackets, 2026 →

More on Massachusetts tax

Everyday moneyWhat lands in a Massachusetts paycheckThe same salary split across real pay periods, after federal tax, FICA and Massachusetts withholding.Everyday moneyMassachusetts tax brackets and what you oweThe full Massachusetts schedule — every bracket, the top rate and the deductions applied before them.
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Estimates for general informational purposes only; not tax advice. Crypto tax rules are complex and Massachusetts state treatment is simplified here — verify with the state Department of Revenue and a tax professional. This estimate does not model the employee share of Massachusetts Paid Family and Medical Leave contributions. Massachusetts's two-rate 5%–9% schedule is applied with the $4,400-per-filer exemption and no standard deduction — itemized deductions and Massachusetts credits are not modelled.