Colorado · Tax year 2026
Colorado 1099 Tax Calculator
Estimate your 2026 Colorado freelancer taxes: federal self-employment tax, federal income tax, and Colorado's flat 4.4% income tax.
Estimated total tax
$0
effective rate 0%
Per quarter
$0
Colorado uses a flat 4.4% rate applied to federal taxable income, which keeps the math simple. State figure is an estimate — see our methodology.
Colorado 1099 taxes
Colorado applies a flat 4.4% income tax, calculated from your federal taxable income, to which your net self-employment income contributes. Add federal self-employment tax (see our self-employment tax calculator) and federal income tax for the full picture.
Quarterly estimated taxes in Colorado
File Colorado estimated payments (Form DR 0104EP) if you'll owe $1,000 or more in state tax, alongside your federal estimates. See how much to set aside for 1099 taxes.
Frequently asked questions
What is Colorado's income tax rate?
Colorado has a flat 4.4% individual income tax, based on your federal taxable income.
How much should Colorado freelancers set aside?
Around 25–30% of net profit usually covers federal self-employment tax, your federal income bracket, and Colorado's 4.4% flat tax.
Do Colorado freelancers pay quarterly taxes?
Yes — file Form DR 0104EP if you'll owe $1,000 or more in Colorado tax, separate from federal estimates.
Other state calculators
Compare your tax in other states — your federal bill stays the same, but state tax varies widely:
- California · Graduated 1%–13.3%
- New York · Graduated 3.9%–10.9% (+NYC)
- Texas · No state income tax
- Florida · No state income tax
- Washington · No state income tax
- Illinois · Flat 4.95%
- Pennsylvania · Flat 3.07%
- North Carolina · Flat 3.99%
- Georgia · Flat 5.19%
- Arizona · Flat 2.5% (lowest)
- Michigan · Flat 4.25%
Estimates based on 2026 federal and Colorado figures; state tax estimate excludes state-specific deductions and credits. Not tax advice — confirm with the IRS, your state tax agency, or a professional. See our disclaimer.