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1099 Tax Calculator 2026

Estimate 1099 and self-employment tax for 2026—including Schedule SE-style tax, federal income tax, and approximate state tax. A privacy-first planning estimator, not filing software.

Explore all 1099 tax calculators

Your 1099 income

Enter annual totals. Results update instantly as you type.

Tax filing status

Estimates use approximate 2026 federal brackets, Schedule SE-style Social Security and Medicare tax on 92.35% of net profit, a separate simplified Additional Medicare Tax estimate when applicable, one-half of Schedule SE tax deductible, and the standard deduction only. Local taxes, credits, and itemized deductions are not modeled.

Privacy-first calculation

Your numbers never leave this device. Everything runs client-side with zero server upload—ideal for sensitive freelance income planning.

Total estimated tax

$22,250

$5,562.49 / quarter

Take-home pay

$50,750

After estimated taxes

Effective tax rate

30.5%

Tax ÷ net profit

Income split

Net profit $73,000 = take-home vs tax

Take-home 69.5% ($50,750)Tax 30.5% ($22,250)

Tax summary

Gross 1099 income
$85,000.00
Business expenses
−$12,000.00
Net self-employment profit
$73,000.00
Federal self-employment tax
$10,314.57
Estimated federal income tax
$6,095.40
Estimated California state tax
$5,840.00
Total estimated tax
$22,249.97
Final take-home pay
$50,750.03

Suggested quarterly set-aside

$5,562.49

Planning set-aside equal to total estimated tax ÷ 4—not an official Form 1040-ES or safe-harbor payment amount.

How This Calculator Works

  • Estimate net self-employment profit as gross 1099/self-employment-style income minus business expenses. If expenses exceed income, this tool clamps net profit to zero (it does not model loss carryforwards).
  • Apply the 92.35% factor to net profit to build the self-employment tax base used for Schedule SE-style Social Security and Medicare tax.
  • Calculate Schedule SE-style Social Security (12.4%, subject to the annual Social Security wage base) and Medicare (2.9%) tax only when that net-earnings base is at least $400; otherwise Schedule SE tax is treated as $0.
  • Estimate Additional Medicare Tax (0.9%) separately on the self-employment tax base using the filing-status threshold. This is a simplified SE-income-only estimate—the tool does not collect W-2 Medicare wages or spouse wages, so it is not a full Form 8959 calculation.
  • Subtract one-half of Schedule SE tax (Social Security + Medicare only, not Additional Medicare Tax) when estimating adjusted income for federal ordinary income tax.
  • Estimate simplified federal ordinary income tax after the 2026 standard deduction using the 2026 federal tax brackets. This is a planning estimate, not a complete Form 1040 calculation.
  • Estimate state income tax with this site’s average effective state-rate model (0% in listed no-income-tax states). This is approximate and is not a complete state return.
  • Form a planning-oriented quarterly set-aside by dividing total estimated tax by four (totalTax ÷ 4). This is not Form 1040-ES payment math and is not a required quarterly payment amount.

Assumptions

  • The tool is designed for 1099/self-employment-style income planning, not a full individual tax return.
  • Business expenses are entered as a single estimated annual amount.
  • The current UI exposes Single and Married Filing Jointly filing statuses.
  • Federal income tax uses the standard deduction only.
  • Qualified business income (QBI) deduction is not included.
  • Itemized deductions are not included.
  • Dependents and tax credits are not modeled in the UI.
  • W-2 wages are not collected, so Social Security wage-base stacking and Additional Medicare Tax threshold stacking with wages are not modeled.
  • Additional Medicare Tax is therefore a simplified self-employment-income-only estimate.
  • State tax uses approximate average effective rates, not state brackets or credits.
  • The quarterly figure is a planning set-aside (total estimated tax ÷ 4), not an official Form 1040-ES or safe-harbor payment calculation.
  • Federal parameters used by the engine are tax year 2026 values.

What's Included

  • 1099/self-employment-style income estimate
  • Business expenses
  • Net self-employment profit
  • Schedule SE-style Social Security and Medicare tax
  • Simplified Additional Medicare Tax estimate (SE income only)
  • Federal ordinary income tax estimate
  • 2026 standard deduction
  • 2026 federal tax brackets
  • Approximate state tax (average-rate model)
  • Total estimated tax
  • Estimated take-home amount
  • Quarterly planning set-aside

What's Not Included

  • QBI deduction
  • Itemized deductions
  • Dependent / child tax credits
  • W-2 wage stacking for Social Security or Additional Medicare Tax
  • Spouse income beyond filing-status selection
  • Withholding and estimated payments already made
  • Full Form 1040-ES estimated-tax worksheets
  • Safe-harbor payment calculation
  • Detailed state tax brackets and credits
  • Local taxes
  • Other income types outside this SE-style model
  • Investment / capital-gain income
  • Retirement contributions
  • Self-employed health insurance deduction

Last Reviewed

2026-08-12

Sources

Frequently Asked Questions

Is this an official tax calculator or filing software?

No. This is a privacy-first planning estimator for 1099/self-employment-style income. It does not prepare a Form 1040, does not calculate official Form 1040-ES payments, and is not a substitute for a CPA, enrolled agent, or tax-filing software.

How is self-employment tax estimated?

The tool applies Schedule SE-style Social Security (12.4%, up to the annual wage base) and Medicare (2.9%) tax—about 15.3% combined—to 92.35% of net profit when net earnings meet the $400 threshold. Additional Medicare Tax is estimated separately as a simplified SE-income-only amount and is not part of that 15.3% rate. Before estimating federal income tax, it deducts one-half of Schedule SE tax (Social Security + Medicare only). W-2 wages are not collected, so wage stacking is not modeled.

Does this calculate Form 1040-ES quarterly payments?

No. The quarterly figure is a planning set-aside equal to total estimated tax ÷ 4. It is not an official Form 1040-ES worksheet result, not a required payment amount, and not a safe-harbor calculation. Actual estimated-tax rules can depend on withholding, prior-year tax, credits, and other factors.

Does it use itemized deductions or exact state tax rules?

No. Federal ordinary income tax uses the 2026 standard deduction only—itemized deductions, QBI, dependents, and tax credits are not modeled. State tax uses this site’s approximate average effective rate by state (0% in listed no-income-tax states). It is not an exact state return and does not model state brackets, credits, or local taxes.

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1099 Tax Calculator for 2026: Self-Employment Tax, Income Tax & Quarterly Planning

A 1099 tax calculator helps freelancers and independent contractors turn gross contractor-style income into a practical tax planning estimate. Unlike W-2 wages, 1099/self-employment-style pay usually has no federal income tax or FICA withheld, so many people use a 1099 estimated tax calculator workflow to set money aside through the year—not only at filing time.

This tool starts with net self-employment profit: gross 1099/self-employment-style income minus business expenses (negative net profit is clamped to zero). It then builds a Schedule SE-style self-employment tax base at 92.35% of net profit. Social Security (12.4%, subject to the annual wage base) and Medicare (2.9%) apply when that base meets the $400 net-earnings gate. Additional Medicare Tax is estimated separately on an SE-income-only model and is not part of the combined 15.3% Schedule SE rate. One-half of Schedule SE tax (Social Security + Medicare only) is used as the AGI adjustment before federal ordinary income tax.

Federal income tax is estimated after the 2026 standard deduction using the 2026 federal brackets. State tax is an approximate average-rate estimate. Together, self-employment tax, federal income tax, and approximate state tax form a total estimated tax and take-home figure you can use for planning. The quarterly amount shown is simply total estimated tax ÷ 4—a planning set-aside, not an official Form 1040-ES payment or safe-harbor calculation.

Use this free browser-based 1099 tax calculator to sketch self-employment tax, a 1099 income tax estimate, approximate state tax, and quarterly set-aside ideas for 2026. It is not tax-filing software and does not claim exact liability. For official rules, review current IRS guidance such as Publication 505 and Schedule SE instructions, and adjust your plan if income changes during the year.