Tax year

Filing status

State you live in

Wages and salary (W-2 box 1) ($)

Self-employment net profit ($)

Other income

Taxable interest ($)

Ordinary dividends (total) ($)

Qualified dividends (part of the total) ($)

Long-term capital gains (net) ($)

Short-term capital gains (net) ($)

Pensions, IRA and 401(k) withdrawals (taxable) ($)

Social Security benefits received ($)

Other taxable income ($)

Family

Children under 17

Of those, under 6

Other dependents

Aged 65 or older (0 or 1)

Blind (0 or 1)

Deductions and adjustments

Qualified tips (included in wages) ($)Federal deduction up to $25,000, 2025-2028.

Qualified overtime premium (included in wages) ($)The extra half-time pay; federal deduction up to $12,500 ($25,000 joint).

Car loan interest (new U.S.-assembled vehicle) ($)

Other adjustments (IRA, HSA, student loan interest) ($)

I itemize (or want to compare)

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How it’s calculated

2025: Flat 4.4% of federal taxable income with Colorado adjustments. 2026: Flat 4.4%.

Denver, Aurora, Glendale, Greenwood Village and Sheridan charge a monthly occupational privilege tax.

The calculator applies Colorado's own starting income, deductions, exemptions and main credits for the year chosen. The sources for every figure are linked under the Colorado result.

How it’s calculated

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