SE tax, quarterly payments, every deduction you are entitled to, and the moves that legally cut your bill — all in plain English.
Going freelance is one of the most financially liberating decisions you can make. It can also be one of the most tax-confusing. When you work for an employer, taxes are invisible — they vanish from your paycheck before you ever see them. When you work for yourself, you see every dollar come in, and then you have to figure out how much to send to the IRS on your own, on a schedule that most people don't know exists.
This guide covers everything you need to know about taxes as a self-employed person in the US in 2026 — clearly, without jargon, in the right order.
The first shock for most new freelancers is discovering the self-employment (SE) tax. When you're an employee, you pay 7.65% in FICA taxes (Social Security + Medicare) and your employer pays a matching 7.65%. When you work for yourself, you pay both halves — all 15.3%.
Here's how it breaks down for 2026:
| Component | Rate | Applies to |
|---|---|---|
| Social Security | 12.4% | Net earnings up to $168,600 |
| Medicare | 2.9% | All net earnings (no cap) |
| Additional Medicare surtax | 0.9% | Earnings over $200,000 (single) |
| Total SE tax (under $168,600) | 15.3% | Most freelancers |
SE tax is calculated on 92.35% of your net self-employment income — not the full amount. The 7.65% reduction accounts for the employer-equivalent portion. So on $80,000 of net freelance income, your SE tax base is $73,880 and your SE tax is approximately $11,304.
The IRS gives you one meaningful break: you can deduct 50% of your self-employment tax from your gross income when calculating federal income tax. This is an above-the-line deduction — you get it regardless of whether you itemize.
On $80,000 net income with $11,304 in SE tax: you deduct $5,652. Your federal income tax is calculated on roughly $74,348 (minus the standard deduction), not $80,000. The deduction saves you real money.
As a self-employed person, you have no employer withholding taxes from your income. The IRS expects you to pay taxes four times per year through estimated tax payments. Miss them and you face an underpayment penalty — even if you pay your full tax bill by April 15.
The 2026 quarterly deadlines are:
| Quarter | Income period | Payment due |
|---|---|---|
| Q1 | January – March | April 15, 2026 |
| Q2 | April – May | June 16, 2026 |
| Q3 | June – August | September 15, 2026 |
| Q4 | September – December | January 15, 2027 |
How much to pay each quarter: divide your estimated annual tax bill (SE tax + federal income tax + state income tax) by four and pay that amount each quarter. You avoid penalties if you pay at least 90% of your current year tax, or 100% of last year's tax (110% if last year's AGI exceeded $150,000).
The simplest approach: every time a client pays you, immediately transfer 25–30% of the payment to a separate savings account labelled "taxes." Pay from there each quarter. You will never be caught short.
This is where self-employment becomes financially powerful. Business expenses reduce your net self-employment income, which reduces both your SE tax and your income tax simultaneously — a double benefit employees never get.
If you use a portion of your home exclusively and regularly for business, you can deduct it. The simplified method allows $5 per square foot, up to 300 square feet ($1,500 maximum). The regular method calculates the actual percentage of home costs — mortgage/rent, utilities, insurance, repairs — attributable to the office space. Use whichever gives you the larger deduction.
The exclusive use rule is strict: a spare bedroom used as an office that also has a bed in it does not qualify. A dedicated room used only for work does.
The 2026 IRS business mileage rate is $0.70 per mile. Every mile driven for business — client meetings, site visits, picking up supplies — counts. Keep a contemporaneous log (date, destination, purpose, miles) and track your odometer at the start and end of the year. Apps like MileIQ or Everlance do this automatically.
Your daily commute between home and a regular workplace does not count. But if you have a qualifying home office, trips from home to client sites are business miles.
Computers, monitors, cameras, microphones, external drives, phones used for business — all deductible. Under Section 179, you can deduct the full cost in the year of purchase rather than depreciating over several years. The 2026 Section 179 limit is $1,160,000 — effectively unlimited for most freelancers.
Adobe Creative Cloud, Notion, Slack, Zoom, QuickBooks, project management tools, professional databases — any software used for business is deductible. Even proportional personal/business tools: if you use Spotify for background music while working, deduct the business-use percentage.
Self-employed individuals can deduct 100% of health, dental, and long-term care insurance premiums for themselves, a spouse, and dependents. This is an above-the-line deduction — it reduces your AGI, which can have downstream benefits on other deductions and credits. You cannot claim this deduction for months you were eligible for employer-sponsored coverage through a spouse.
This is one of the most powerful tax reduction tools available to freelancers. Three main options for 2026:
A freelancer earning $100,000 who maxes out a SEP-IRA at $18,587 (25% of $74,348 after SE deduction) saves approximately $4,000 in federal income tax alone — before state tax savings.
Courses, books, online training, conferences, and workshops that maintain or improve skills used in your current business are deductible. A graphic designer taking an advanced typography course: deductible. A software developer learning a new programming language: deductible. Career changes do not qualify — the education must relate to your existing work.
Professional liability (E&O) insurance, general liability, business property insurance, and cyber insurance premiums are all fully deductible as business expenses.
Accountant fees, attorney fees for business matters, business banking fees, and payment processing fees (Stripe, PayPal) are deductible. The irony: the cost of having your taxes prepared is itself deductible.
Deduct the business-use percentage of your phone and internet bills. If you use your phone 60% for business, deduct 60% of the monthly bill. Many freelancers estimate this conservatively at 50% to avoid scrutiny — document your reasoning either way.
| Form | What it does | When due |
|---|---|---|
| Schedule C | Reports business income and expenses, calculates net profit | With Form 1040 (April 15) |
| Schedule SE | Calculates self-employment tax based on Schedule C profit | With Form 1040 |
| Form 1040-ES | Estimated tax payment vouchers | 4x per year |
| 1099-NEC | What clients send you (over $600) — not filed by you, received | January 31 from clients |
| Form 1099-K | Payment processor report if you receive over $5,000 via cards/apps | January 31 from processors |
Tax management for freelancers does not have to be complicated. Here is a system that works with minimal effort:
Sources: IRS Schedule C instructions, IRS Publication 334 (Tax Guide for Small Business), IRS Publication 505 (Tax Withholding and Estimated Tax), IRS Rev. Proc. 2025-61 (2026 inflation adjustments). This article is for informational purposes only and does not constitute tax advice.