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Crypto & tax · CT

Connecticut Crypto Tax Calculator

Estimate your 2026 federal and Connecticut 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
$2,465
short-term gains$3,000
long-term gains$8,000
short-term tax$660
long-term tax$1,200
CT state tax$605
total gains
$11,000
estimated tax
$2,465
effective rate
22.4%

A $10,000 crypto gain realized in Connecticut attracts about $596 in Connecticut tax — a marginal rate of 5.96% — for someone otherwise earning the state median of $99,240. Federal capital-gains tax applies on top.

Connecticut 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 Connecticut rules and 2026 federal rules, single filer. Holding period decides the federal rate.

Crypto capital-gains tax in Connecticut

Connecticut has seven brackets from 2% to 6.99% for 2026; the bottom two rates were cut to 2% and 4.5% starting in 2024 and remain unchanged through 2026. The state has no standard deduction, and its personal exemption phases out so steeply with income that it is not modeled here. Rate-recapture provisions for very high earners are also excluded from this estimate.

Connecticut taxes capital gains and crypto as ordinary income, on the same 2% to 6.99% bracket schedule that applies to wages.

Common questions

How are crypto gains taxed in Connecticut?
As ordinary income: this estimate stacks the gain on your other income and runs it through the same schedule as wages — 2% to 6.99%. Any Connecticut exclusion or cap on long-term gains is not applied here.
How much Connecticut tax would a $10,000 crypto gain cost?
About $596 of Connecticut tax, on top of federal capital-gains tax. That is the gain stacked on Connecticut's $99,240 median household income (2024), where it lands in the 6% band.
What Connecticut rate applies to my gain?
Whichever band the gain lands in once it is added to your other income — Connecticut's 2026 schedule runs 2% to 6.99%, with the top rate starting at $500,000 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 Connecticut's 2026 state treatment of capital gains. Estimates only — not tax advice.

Tax Foundation: 2026 state individual income tax rates and brackets (Connecticut 2.00% - 6.99%) →Tax Foundation: 2026 State Tax Changes Taking Effect January 1st (Connecticut not among the eight states with 2026 rate cuts) →Connecticut Department of Revenue Services →

More on Connecticut tax

Everyday moneyWhat lands in a Connecticut paycheckThe same salary split across real pay periods, after federal tax, FICA and Connecticut withholding.Everyday moneyConnecticut tax brackets and what you oweThe full Connecticut 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 Connecticut state treatment is simplified here — verify with the state Department of Revenue and a tax professional. This estimate does not model Connecticut's 0.5% Paid Leave contribution. Connecticut's seven-rate 2%–6.99% schedule is applied to income with no state standard deduction or exemption subtracted, and no Connecticut credits, subtractions, or income exclusions.