A single gig driver in Colorado who earns $40,000 and tracks mileage should set aside about $8.57 of every $100 for 2026 (about $66 a week): $3,427 in total, including about $220 of Colorado state and local tax. Enter your own numbers below.
Estimated 2026 tax from your gig work: $4,275, about $82 a week.
Show the math
| Gig earningsSchedule C, line 1 | $42,000 |
| Mileage deductionSchedule C, line 9 (72.5¢ and 76¢ a mile) | −$13,745 |
| Other business expensesSchedule C | −$900 |
| Net profitSchedule C, line 31 | $27,355 |
| Self-employment taxSchedule SE (15.3% of 92.35% of profit) | $3,865 |
| Half of self-employment taxSchedule 1 adjustment | −$1,933 |
| Adjusted gross incomeForm 1040 | $25,422 |
| Standard deductionForm 1040 | −$16,100 |
| Tips deductionSchedule 1-A (up to $25,000) | −$11,500 |
| Business income deductionForm 8995 (QBI) | −$0 |
| Taxable incomeForm 1040 | $0 |
| Federal income tax2026 tax brackets | $0 |
| Colorado income taxState estimate | $410 |
| Total tax | $4,275 |
An estimate for planning, not tax advice. See how we calculate and our verified examples.
How much to set aside for Colorado 1099 taxes
| Yearly gig earnings | Total tax | Of which Colorado tax | Set aside per $100 |
|---|---|---|---|
| $25,000 | $2,005 | $0 | $8.02 |
| $40,000 | $3,427 | $220 | $8.57 |
| $60,000 | $5,510 | $684 | $9.18 |
Assumptions: Single filer, no other income, tips are 25% of earnings, $1.80 earned per business mile, other expenses 2% of earnings, before tax credits, 2026 rules.
Colorado self-employment and income tax rules
Colorado at a glance
| State income tax | Colorado taxes income at a flat 4.4%. |
| Deductions | Standard deduction $16,100 single, $32,200 married filing jointly. |
| Tips | Our Colorado estimate does not apply the federal tips deduction, so it may be slightly high if your state allows it. |
| Estimated payments | Usually on the same four dates as federal payments if you expect to owe state tax. Check with the Colorado Department of Revenue. |
| Local income tax | Denver and a few other Colorado cities charge a small monthly occupational privilege tax. It is usually a few dollars a month. |
Official source: Colorado Department of Revenue. Find its website on the IRS list of state tax agencies.
Federal self-employment tax still applies
Wherever you live, you pay federal income tax and 15.3% self-employment tax on your 1099 profit. The calculator includes both, plus the federal tips deduction, both 2026 IRS mileage rates and federal credits. See how we calculate.
Quarterly payment dates
| Payment | Covers income earned | Due date |
|---|---|---|
| Q1 | January 1 to March 31, 2026 | April 15, 2026 |
| Q2 | April 1 to May 31, 2026 | June 15, 2026 |
| Q3 | June 1 to August 31, 2026 | September 15, 2026 |
| Q4 | September 1 to December 31, 2026 | January 15, 2027 |
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Colorado 1099 tax calculator questions
How are DoorDash taxes calculated in Colorado?
Dashers in Colorado pay 15.3% federal self-employment tax on 92.35% of their profit, federal income tax after deductions, and Colorado tax on their income. On $40,000 of earnings the total is about $3,427 in our example.
Do Uber drivers pay Colorado income tax?
Yes. Colorado taxes rideshare and delivery profit like other self-employment income. A single driver earning $40,000 pays about $220 of Colorado tax in our example.
How much should I set aside for 1099 taxes in Colorado?
About $8.02 per $100 on $25,000 of gig earnings, $8.57 on $40,000 and $9.18 on $60,000, for a single driver who tracks mileage.
Does Colorado tax tips?
Our Colorado estimate taxes tips at the state level and doesn’t apply the federal tips deduction, so it may be slightly high if Colorado allows it.
Are there local income taxes in Colorado?
Denver and a few other Colorado cities charge a small monthly occupational privilege tax. It is usually a few dollars a month.