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Crypto & tax · CO

Colorado Crypto Tax Calculator

Estimate your 2026 federal and Colorado 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
$2,344
short-term gains$3,000
long-term gains$8,000
short-term tax$660
long-term tax$1,200
CO state tax$484
total gains
$11,000
estimated tax
$2,344
effective rate
21.3%

A $10,000 crypto gain realized in Colorado attracts about $440 in Colorado tax — a marginal rate of 4.40% — for someone otherwise earning the state median of $106,500. Federal capital-gains tax applies on top.

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

Crypto capital-gains tax in Colorado

Colorado taxes income at a flat 4.4% for tax year 2025, applied to federal taxable income — so the federal standard deduction is already built into the base before the state rate applies. The rate was temporarily cut to 4.25% for 2024 under the TABOR surplus mechanism, but the 2025 surplus fell just under the trigger, so the full 4.4% statutory rate applies for 2025.

Capital gains and crypto are taxed as ordinary income in Colorado, at the same flat 4.4% rate as wages.

Common questions

How are crypto gains taxed in Colorado?
Colorado has one rate for everything, so this estimate adds crypto gains to your other income and taxes them at the flat 4.4% that applies to wages for 2026, after a $16,100 standard deduction ($32,200 joint). Any Colorado subtraction or exclusion for long-term gains is not applied here.
How much Colorado tax would a $10,000 crypto gain cost?
About $440. That is the 4.4% flat rate applied to the gain once it is stacked on Colorado's $106,500 median household income (2024), and it is on top of federal capital-gains tax.
Does a bigger gain face a higher Colorado rate?
No — Colorado's rate is flat, so this estimate applies 4.4% to the gain whatever its size: $440 on a $10,000 gain and $4,400 on a $100,000 one. Only your federal rate changes as the gain grows.

How we calculate this

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

Tax Foundation: State Individual Income Tax Rates and Brackets, 2026 →Colorado Dept. of Revenue — Individual Income Tax →

More on Colorado tax

Everyday moneyWhat lands in a Colorado paycheckThe same salary split across real pay periods, after federal tax, FICA and Colorado withholding.Everyday moneyColorado tax brackets and what you oweThe full Colorado 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 Colorado state treatment is simplified here — verify with the state Department of Revenue and a tax professional. This estimate does not model Colorado FAMLI paid-leave premiums. Colorado's flat 4.4% is applied with the $16,100 standard deduction for a single filer — not itemized deductions or any Colorado tax credit.