1099 Tax Calculator - Estimate Your Federal, State & Self-Employment Tax (2026)

Where a self-employment tax calculator stops at the FICA line, this tool continues through federal income tax brackets and state income tax to produce a single total estimate, the number that determines how much to set aside and what to send the IRS each quarter.

For a freelancer with solid expense tracking and QBI eligibility, total tax on net profit typically lands in the 20-28% range. Without documented deductions, that range shifts higher. The quarterly payment shown is total annual tax divided by four and is a planning starting point, not a penalty-safe guarantee.

Enter gross 1099-NEC income, deductible business expenses, filing status, and state. The calculator applies the 92.35% Schedule SE factor, computes the 15.3% SE tax (capped at the 2026 Social Security wage base of $184,500), deducts half of SE tax above the line, applies the standard deduction, models the 20% QBI deduction where eligible, then runs the result through 2026 federal brackets and the applicable state rate.

The output covers: self-employment tax, federal income tax, state income tax, total annual liability, and estimated quarterly payment. All 50 states plus D.C. Four filing statuses. No signup. No results gate.

For the SE-tax-only calculation without the income tax stack, see the self-employment tax calculator. For the full 1099 contractor context, visit the 1099 contractor tax hub. For the broader tax tool map, see the taxes hub.

The standard rule-of-thumb is 25-30% of net profit (income after deductible business expenses). That range covers self-employment tax plus federal income tax for most single filers in the 12-22% brackets. State income tax can push the number higher depending on where the work is performed.

The right set-aside for any individual depends on deductions taken, filing status, other income sources, and state. Use the table below as a planning starting point, then plug actual numbers into the quarterly tax estimator for a payment-specific figure.

The One Big Beautiful Bill Act (OBBBA), signed July 4, 2025, raised the federal information-reporting threshold for Form 1099-NEC from $600 to $2,000, effective for payments made on or after January 1, 2026. The threshold is indexed for inflation beginning in 2027, rounded to the nearest $100. The 1099-K threshold reverts separately to $20,000 and 200 transactions under the same legislation.

The reporting threshold determines when a business is required to send a form, not whether the income is taxable. A contractor who earns $1,400 from a single client will not receive a 1099-NEC for 2026, but that $1,400 is still self-employment income subject to SE tax and income tax and must be reported on Schedule C.

Cash payments, platform earnings below the threshold, and any compensation paid without a form remain taxable. The calculator estimates total tax regardless of whether a form was issued.

Social Security wage base $184,500: set annually by the Social Security Administration based on the national average wage index. Source: SSA COLA Fact Sheet 2026 (ssa.gov).

SE tax rate 15.3%: set by statute; the 92.35% factor offsets the employer-side deduction unavailable to employees. Source: IRS Topic 554 (irs.gov/taxtopics/tc554).

Standard deductions: adjusted annually for inflation under Rev. Proc. 2025-32, modified to incorporate OBBBA statutory changes. Source: IRS Oct. 2025 inflation adjustment release.

QBI deduction: made permanent by OBBBA. Calculated on Form 8995 for most sole proprietors. Source: IRS QBI deduction page (irs.gov/newsroom/qualified-business-income-deduction).

To avoid an underpayment penalty, total estimated payments plus withholding must cover the lesser of:

90% of the actual 2026 tax liability, OR 100% of the prior-year (2025) tax, OR 110% if 2025 AGI exceeded $150,000 (single/MFJ) or $75,000 (MFS).

The $1,000 rule: if the remaining underpayment after withholding and credits is under $1,000, no penalty applies regardless of the percentages above.

For a step-by-step payment walkthrough using IRS Direct Pay and EFTPS, see how to pay quarterly estimated taxes. For payment-specific quarterly amounts, use the quarterly tax estimator.

This calculator models a sole proprietor or single-member LLC taxed as a disregarded entity, the structure reported on Schedule C. Every dollar of net profit is subject to SE tax at 15.3% (up to the $184,500 Social Security wage base).

An S corporation election changes that structure. An S-corp owner-employee splits net income into two components: a reasonable W-2 salary (subject to payroll FICA taxes at 15.3%, split between employer and employee) and pass-through distributions (not subject to SE tax or FICA). The result is that SE/FICA taxes apply only to the salary portion, potentially reducing the total FICA/SE tax bill for high-earning contractors.

Whether that reduction offsets the compliance costs (annual payroll processing, state registration, S-corp tax return preparation, and reasonable-compensation documentation) depends on net profit level, state, and available deduction profile. The IRS requires that the W-2 salary represent reasonable compensation for the services actually performed; the allocation between salary and distribution is not a free choice.

As net profit grows and compliance costs are weighed against projected FICA savings, the analysis changes. This calculator's estimate is the correct baseline for sole-prop planning. For entity-election modeling, consult a tax professional familiar with the outputs from the 1099 vs. W-2 comparison tool and the specific deduction profile at hand. No universal breakeven figure applies to every situation.

What the deductions did: the $11,480 in business expenses reduced the SE tax base by about $1,033 in SE tax saved and reduced the income-tax base by a further amount. The QBI deduction reduced taxable income from $54,689 to $43,751, moving the federal tax bill down from approximately $6,313 (without QBI) to $5,002, a $1,311 reduction in federal income tax alone.

Illinois note: this calculator applies each state's flat planning rate to federal taxable income ($43,751 x 4.95% = $2,166). That matches the site-wide simplified state model used for all states. A completed IL-1040 starts from federal AGI, applies Illinois modifications, and subtracts the Illinois personal exemption, so the filed state liability can differ from this planning line.