Free Tool — 2026 Tax Year

Self-Employed Tax Estimator

Enter your income and expenses. We apply the actual IRS rules — mileage rate, SE tax, QBI deduction, and 2026 federal brackets — and show you your estimated federal tax bill and quarterly payment instantly.

Built by an IRS Enrolled Agent & Canadian CPA — federal estimates only
Income

Total 1099 or platform earnings expected for 2026

$

Side income, rental income, or 1099 income from other sources with no withholding. Do not include W-2 wages here — those are already withheld by your employer.

$
Deductions — calculated from your inputs

IRS standard mileage rate for 2026 is 72.5¢ per mile. Verify at IRS.gov before filing.

We calculate your annual deduction at your business-use percentage.

$
Business-use percentage (typically 50–80% for platform workers)
60%

Simplified method: $5 per sq ft, max 300 sq ft ($1,500 max). Must be used regularly and exclusively for business.

0 sq ft = $0

Your own health, dental, and vision premiums. Above-the-line deduction — reduces AGI directly.

$

SEP-IRA, Solo 401(k), or SIMPLE IRA. Deducted dollar-for-dollar from taxable income.

$
$

Parking, tolls, supplies, delivery bags, advertising, bank fees, business meals at 50%, client gifts, subscriptions, etc.

$

Federal estimate only — your state may add more. For planning purposes only, not tax advice.

Your estimate will appear here
Fill in your numbers and click Calculate
How this estimate is calculated
STEP 01
Deductions from your inputs

Mileage at the 2026 IRS rate, phone at your business-use percentage, home office at $5 per sq ft, plus health insurance, retirement, and equipment at full Section 179 or partial deduction.

STEP 02
SE tax and QBI applied correctly

Self-employment tax at 15.3% on 92.35% of net earnings, capped at the Social Security wage base. QBI deduction at 20% of qualified business income, correctly reduced by SE deduction, health insurance, and retirement contributions.

STEP 03
2026 federal brackets

Federal income tax applied using 2026 brackets after the standard deduction. Federal estimate only — add your state income tax rate for a complete picture of what you owe.

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