Your 2026 estimate
Results
Federal estimate only. State taxes not included.
| Detail | Amount |
|---|---|
| Annual net self-employment income | $0 |
| SE tax base (92.35% of net earnings) | $0 |
| Social Security wage base, 2026 | $184,500 |
| Half of SE tax deducted from income (above the line) | $0 |
| QBI deduction (20% of qualified business income) | $0 |
| Standard deduction (Single) | $0 |
| Taxable income | $0 |
2026 payment due dates
These are federal figures for tax year 2026 (returns filed in 2027). Brackets, standard deduction amounts, and the $184,500 Social Security wage base come from IRS Rev. Proc. 2025-32 and the SSA 2026 announcement. Verify against current IRS guidance before filing or paying.
What is Form 1040-ES and who has to pay?
The United States taxes income on a pay-as-you-go basis. Employees meet this through payroll withholding, but freelancers, gig workers, sole proprietors, and independent contractors have no employer withholding. If you expect to owe $1,000 or more in federal tax after withholding and credits, the IRS expects you to make quarterly estimated payments using Form 1040-ES.
Miss the payments and you can owe an underpayment penalty even if you pay the full balance in April. The penalty works like interest on each quarter's shortfall, so a single lump payment at filing does not cure missed quarterly payments.
The safe-harbor rules (your penalty shield)
You owe no underpayment penalty if your total withholding plus estimated payments hit one of these targets by year-end:
- 90% of this year's tax liability, or
- 100% of last year's total tax (the "prior-year" safe harbor), or
- 110% of last year's total tax if your prior-year adjusted gross income exceeded $150,000 ($75,000 for married filing separately).
The prior-year safe harbor is the most popular among freelancers because it uses a known number from last year's return, not a forecast.
The annualized income method
If your income is uneven (a big client in Q3, nothing in Q1), you do not have to pay four equal installments. The annualized income installment method (Schedule AI on Form 2210) lets each payment track what you actually earned in that period. Use the regular installment method if income is steady; consider the annualized method if it is lumpy.
Frequently asked questions
How is self-employment tax calculated?
You pay 15.3% on 92.35% of your net self-employment earnings: 12.4% for Social Security plus 2.9% for Medicare. The 92.35% factor mirrors the employer share that W-2 employees never see. Social Security tax stops once earnings reach the $184,500 wage base for 2026; Medicare continues with no cap. You can deduct half of your SE tax "above the line" when computing adjusted gross income.
When are the 2026 estimated tax payments due?
April 15, 2026; June 15, 2026; September 15, 2026; and January 15, 2027. If a due date falls on a weekend or federal holiday, it rolls to the next business day.
What is the 20% QBI deduction?
Section 199A lets many self-employed filers deduct up to 20% of qualified business income from a trade or business. It does not reduce self-employment tax, only income tax. Phase-outs apply to certain "specified service" businesses (law, medicine, consulting, and others) at higher incomes.
What if I have a W-2 job plus freelance income?
W-2 wages and self-employment earnings share one Social Security wage base ($184,500), and W-2 wages use it first. Enter your wages as "other taxable income" in this calculator and the SE-tax wage-base treatment is simplified; for the exact coordination, complete Schedule SE. Also note: increasing W-2 withholding is deemed paid evenly across the year, so it can cure an earlier estimated-payment shortfall.
Is the calculator's output exact?
No. This tool gives a planning-level estimate using 2026 IRS brackets, standard deductions, and the Social Security wage base. It excludes credits, itemized deductions, the additional 0.9% Medicare tax on high earners, net investment income tax, and state taxes. Use IRS Form 1040-ES worksheets, IRS Publication 505, or a tax professional for your actual payments.
Can I pay my estimated taxes online?
Yes. The IRS accepts payments through Direct Pay, the Electronic Federal Tax Payment System (EFTPS), and approved card processors. You can also mail a check with the 1040-ES payment voucher for each quarter.
How to file and pay
- Use this calculator (or the Form 1040-ES worksheet) to estimate each quarterly amount.
- Pay online via IRS Direct Pay or EFTPS, or mail a check with voucher 1 through 4 from Form 1040-ES.
- Re-run your numbers each quarter; adjust the remaining payments up or down as income changes.
- In January, you may skip the Q4 payment if you file your return and pay the balance by the end of January.
Affiliate disclosure
[Placeholder: This site may earn a commission if you purchase tax software or related services through links on this page. This does not affect the price you pay or the neutrality of the calculator.]