Important Stuff Upfront
- Double your net income through June 30 to get a rough full-year projection, then run that number through the tax math.
- Compare what you actually paid in Q1 and Q2 estimates against what your projection says you owe. Q3 is due September 15, 2026, and it is your best chance to fix a shortfall.
- Most full-time freelancers land somewhere around a 20% to 28% effective federal tax rate. If you are setting aside less than that, find out now, not in April.
- The Solo 401(k) employee limit is $23,500 for 2026. Half the year is gone: check whether your contributions are on pace for what you planned.
Employees get a mid-year signal whether they want one or not: every pay stub shows taxes withheld, retirement contributions and year-to-date totals. Freelancers get nothing unless they go looking. That is why the first week of July matters. Six months of real data is enough to project the full year with reasonable accuracy, and six months still remain to fix whatever the projection reveals. This review takes about 20 minutes and comes down to five numbers.
Number 1: Your Year-to-Date Net Income, Annualized
Start with what you actually collected from January 1 through June 30, then subtract your business expenses for the same period. That is your year-to-date net income, the number every other figure in this review builds on. Gross billings do not count. Invoices your clients have not paid yet do not count either.
Then annualize it. If your income is reasonably steady, doubling the six-month figure gets you close. If your work is seasonal (a wedding photographer or a tax-season bookkeeper will laugh at a simple doubling), adjust based on what the second half of your year usually looks like compared to the first.
Worked Example: Maya's Mid-Year Projection
Maya is a freelance designer, single, with no W-2 income. Her January-through-June numbers:
- Collected from clients: $48,000
- Business expenses (software, contractor help, home office): $6,000
- Net income year to date: $42,000
- Annualized ($42,000 × 2): $84,000
- SE taxable base ($84,000 × 0.9235): $77,574
- Self-employment tax ($77,574 × 15.3%): $11,869
- SE tax deduction (half of SE tax): $5,934
- Taxable income after the SE deduction and a $15,000 standard deduction (single, 2026 estimated): $63,066
- Estimated federal income tax (2026 brackets, single): ~$8,800
- Total projected federal tax ($11,869 + $8,800): ~$20,700
The 2026 standard deduction and brackets here are estimates, since the IRS finalizes inflation adjustments late in the year. Treat the result as a planning figure, not a filed return.
Number 2: Estimated Tax Paid vs. What You Should Have Paid
By early July you have had two estimated payment deadlines: April 15 and June 15. Add up what you actually sent. Then compare it against half of your projected annual bill, since two of four payments are behind you.
Maya's projection says she owes about $20,700 for the year, so by June 15 she should have paid roughly $10,350. Suppose she sent $4,000 each quarter, $8,000 total. She is about $2,350 behind. That is not a crisis in July. It becomes one in April, after penalties and a lump-sum surprise. The fix is simple: she raises her September 15 payment to about $7,525 ($5,175 for Q3 plus the $2,350 catch-up) and returns to the normal amount in January.
If you cannot pay the catch-up all at once, pay what you can. The underpayment penalty accrues on the shortfall, so every dollar you send early stops the meter on that dollar.
One shortcut worth knowing: the safe harbor rules. If your payments this year cover 100% of last year's total tax (110% if your adjusted gross income was over $150,000), you are protected from the underpayment penalty even if this year's bill comes in higher. When income is climbing fast, paying against last year's number is often the simpler target. You settle the difference in April, penalty free.
Project your full-year bill in about 60 seconds.
Calculate My SE Tax →Number 3: Your Effective Tax Rate
Your effective tax rate is your total projected federal tax divided by your net income. Maya's is $20,700 ÷ $84,000, about 25%. This single percentage is the most useful planning number a freelancer can carry around, because it converts every future payment into an instant answer: collect $3,000, set aside $750.
Here is roughly where the effective federal rate lands at different income levels for a single, full-time freelancer with no other income, using 2026 estimated figures. Your own number will move with your filing status, deductions and credits:
| Projected net income | Approx. total federal tax | Effective rate |
|---|---|---|
| $40,000 | ~$8,100 | ~20% |
| $60,000 | ~$13,100 | ~22% |
| $84,000 | ~$20,700 | ~25% |
| $120,000 | ~$33,100 | ~28% |
Notice the rate never drops anywhere near zero, even at modest income. Self-employment tax runs 15.3% from the first dollar of profit, which is why a freelancer earning $40,000 pays a higher effective rate than a W-2 employee with the same salary.
Number 4: Your Savings Rate
This one is not on any tax form, and it is the number that separates freelancers who dread April from freelancers who do not. Take everything you moved into savings from January through June (your tax set-aside account, emergency fund and any other savings) and divide it by what you collected. That percentage is your savings rate.
The floor should be your effective tax rate from Number 3. If your rate is 25% and you saved 18% of what came in, the gap is coming out of a future version of you. Anything above the tax floor builds the cushion that variable income demands: a slow month, a client who pays 60 days late, a laptop that dies in November.
If your mid-year savings rate is below your effective tax rate, do not try to fix six months in one heroic transfer. Raise the percentage you skim off every incoming payment by a few points and let the second half of the year do the work.
Number 5: Retirement Contributions to Date
Half the year is gone, so roughly half of your intended annual retirement contribution should be in the account. For 2026, the Solo 401(k) employee contribution limit is $23,500 (plus a $7,500 catch-up if you are 50 or older), and the combined employee-plus-employer limit is $70,000. You do not need to be anywhere near the ceiling for this check to matter. What matters is pace against your own plan.
Worked Example: The Contribution Pace Check
Maya planned to contribute $12,000 to her Solo 401(k) this year, $1,000 a month. Her mid-year check:
- Planned by June 30: $6,000
- Actually contributed: $4,500
- Gap: $1,500
- New monthly amount to finish at $12,000 ($7,500 ÷ 6 months): $1,250
Retirement contributions do not reduce self-employment tax
Solo 401(k) and SEP-IRA contributions lower your income tax, but SE tax is calculated on your net earnings before retirement deductions. When you project your set-aside percentage, do not let a big planned contribution talk you into shrinking the SE tax portion. That 15.3% is owed either way.
The 20-Minute Mid-Year Review
Here is the whole exercise as a checklist. Block 20 minutes, pull up your bank account and bookkeeping records, and work top to bottom:
- Total your collected income and business expenses from January 1 through June 30, and subtract to get year-to-date net income.
- Annualize it: double the number, or adjust for seasonality if your income is lumpy.
- Run the annualized figure through the calculator to project your full-year SE tax and income tax.
- Add up your Q1 and Q2 estimated payments and compare against half the projected bill. Note any shortfall.
- Set your Q3 payment (due September 15, 2026) to the normal quarterly amount plus any catch-up.
- Compute your effective tax rate and check that your per-payment set-aside percentage meets or beats it.
- Check retirement contributions against your annual plan and adjust the monthly amount for the remaining six months.
What to Do With What You Find
Most freelancers who run this review find one number out of line, not five. That is the point of doing it in July: one adjustment, spread over six months, is small. Bump the Q3 payment, raise the skim rate a few points or add $250 a month to the retirement transfer, and the year quietly corrects itself.
If the review turns up something bigger (income running 40% ahead of last year, a shortfall you cannot cover, or a first-time jump into six figures), that is worth an hour with a CPA or enrolled agent who works with self-employed clients. Bring these five numbers to the meeting and you will get real answers instead of generalities. Either way, put a repeat of this review on your calendar for early October, when one quarter remains and there is still time to steer.
More in this series
Health Insurance as a Freelancer: The Deduction Most People Overlook → Q2 Estimated Tax Check-In: What to Do After the June 15 Deadline → Setting Up a Solo 401(k) Step-by-Step → The Freelance Finance Mindset: Why Freelancers Need to Think Differently About Money →Disclaimer
This article and the associated calculator provide estimates only. The 2026 standard deduction, tax brackets and effective rates shown here are planning estimates, since the IRS finalizes inflation adjustments late in the year. This content does not account for all possible deductions, credits, state taxes, or individual circumstances. For accurate tax advice tailored to your specific situation, please consult with a qualified tax professional. For more information, refer to the IRS Self-Employed Tax Center.