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Illinois freelance rate & 1099 tax calculator

Find the hourly rate an Illinois freelancer needs after federal income tax, self-employment tax, Illinois income tax and business costs.

Updated · Tax year 2026 · By Volkan Eren · Sources & method

Only need the self-employment tax? Use the self-employment tax calculator.

What you keep after all taxes and business costs.

Hours clients pay for. Leave out admin time.

Vacation, holidays, sick days and gaps between clients.

Software, equipment, internet, insurance, coworking.

SEP-IRA or solo 401(k).

More options

Sets your contribution limit. A few states treat the two plans differently.

Consulting, law, accounting, health, financial services, performing arts or athletics. Only matters above $201,750 of taxable income ($403,500 married).

Your minimum hourly rate

$137/hr

To take home $100,000 in Illinois, bill $163,434 a year across 1,200 billable hours. Set aside 26.7% of every payment for taxes.

Day rate (8 h)
$1,090
Per week
$3,405
Per month
$13,620
Total tax
$43,634
Where each year’s billings go
Self-employment tax: $21,990 (13.5%)Federal income tax: $15,223 (9.3%)Illinois income tax: $6,421 (3.9%)Business expenses: $7,800 (4.8%)Health + retirement: $12,000 (7.3%)Take-home pay: $100,000 (61.2%)
  • Self-employment tax$21,990 · 13.5%
  • Federal income tax$15,223 · 9.3%
  • Illinois income tax$6,421 · 3.9%
  • Business expenses$7,800 · 4.8%
  • Health + retirement$12,000 · 7.3%
  • Take-home pay$100,000 · 61.2%

Estimate for tax year 2026 using IRS and state figures. Not tax advice. See how we calculate.

What hourly rate does an Illinois freelancer need in 2026?

To take home $100,000 a year as a single filer in Illinois, charge at least $137 an hour. That covers $21,990 of self-employment tax, $15,223 of federal income tax, $6,421 of Illinois income tax and $7,800 of business expenses across 1,200 billable hours (2026 rules).

Hourly rate needed in Illinois by take-home pay

30 billable hours a week, 4 weeks off, $500 a month of business expenses, no health insurance or retirement savings, tax year 2026.

Required hourly rate in Illinois by take-home pay and filing status
Take-home paySingleMarried filing jointlyTax share (single)
$50,000$51/hr$49/hr22.7%
$75,000$76/hr$73/hr25.6%
$100,000$103/hr$97/hr28.0%
$150,000$155/hr$147/hr30.0%
$200,000$223/hr$193/hr35.7%

Illinois income tax for freelancers in 2026

At a glance for 2026: a flat 4.95% rate, no standard deduction but a $2,925 personal exemption, and quarterly estimated payments are required once you expect to owe tax.

Illinois taxes income at a flat 4.95%. The calculation starts from your federal adjusted gross income.

Single (also married filing jointly, head of household)
Taxable incomeRate
Over $04.95%
Deduction or creditSingleMarried jointlyHead of household
Personal exemption (deduction)$2,925$5,850$2,925

How Illinois treats self-employment deductions

  • Half of self-employment tax: deductible. Inherited: Illinois base income starts from federal AGI.
  • Self-employed health insurance: deductible. Inherited through federal AGI.
  • SEP-IRA / solo 401(k) contributions: deductible. SEP-IRA and solo 401(k) deductions are inherited through federal AGI.

How the calculator handles Illinois

  • Flat 4.95% on net income (35 ILCS 5/201). 2026 exemption allowance is $2,925 per person (2026 Booklet IL-700-T; IL-1040-ES 2026 worksheet multiplies net income by 4.95%).
  • No exemption is allowed if federal AGI exceeds $250,000 ($500,000 MFJ) (35 ILCS 5/204; Form IL-W-4). Modeled as a cliff via personalExemptionPhaseout; the related $1,000 age 65+/blind allowances are not modeled.
  • Illinois has no standard deduction. Not modeled: dependent exemptions, Illinois additions/subtractions (e.g., retirement income subtraction), property tax, education, EITC and other credits.

Local income taxes in Illinois

No Illinois city or county (including Chicago) levies a local income tax.

Illinois estimated tax payments

  • Who must pay: Required if you reasonably expect 2026 Illinois tax liability to exceed $1,000 after withholding, pass-through withholding and allowed credits.
  • 2026 due dates: April 15, 2026, June 15, 2026, September 15, 2026, January 15, 2027
  • Safe harbor: No late-payment penalty if you pay at least 90% of this year's tax or at least 100% of last year's tax in four equal timely installments (IL-1040-ES); annualize on IL-2210 if income is uneven.
  • Form: Form IL-1040-ES

Federal estimated payments follow their own schedule. Work them out with the quarterly estimated tax calculator.

Business costs for an Illinois freelancer

LLC formation fee$150 Articles of Organization (805 ILCS 180/50-10).
Annual report$75 annual report (yearly), plus penalty if delinquent.
Franchise or minimum taxNone for an LLC (Illinois franchise tax applies to corporations). Personal Property Replacement Tax (1.5% for partnerships/S corps, 2.5% for corporations) does not apply to a sole proprietor or a disregarded single-member LLC.
Gross receipts taxNone at the state level for professional services.

You don’t need an LLC to freelance as a sole proprietor. Compare the tax treatment in LLC vs sole proprietor for freelancers.

Frequently asked questions

Does Illinois have a state income tax on freelance income?

Yes. Illinois has a flat 4.95% income tax for tax year 2026. Freelance profit is taxed as ordinary income, on top of federal income tax and self-employment tax.

Do freelancers in Illinois pay state estimated taxes?

Yes, generally when Required if you reasonably expect 2026 Illinois tax liability to exceed $1,000 after withholding, pass-through withholding and allowed credits.. Payments use Form IL-1040-ES and are due April 15, 2026, June 15, 2026, September 15, 2026, January 15, 2027.

Sources for Illinois figures

Verified October 22, 2026 against official Illinois and IRS publications.

Estimates for educational and planning purposes only. HourFloor does not provide tax, legal or financial advice. Verify your numbers with a qualified tax professional.

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