Nobody withholds taxes for you when you’re freelancing. Nobody reminds you to pay. And the penalties for getting it wrong arrive months after the mistake, when the money is long gone.
Most new freelancers don’t get tripped up by complexity. They get tripped up by not knowing the system exists until they’re already behind. This guide covers what you actually need to know: what self-employment tax is, how much to set aside, when to pay quarterly, and which deductions are worth tracking.
If you’re a UK freelancer, the tax system works differently — Income Tax bands, Class 4 National Insurance, Self Assessment, and payments on account rather than quarterly estimated taxes. The UK freelance rate guide covers what you need to know.
The thing that catches almost everyone off guard
When you work a regular job, Social Security and Medicare taxes are split between you and your employer. You pay 7.65%. Your employer pays the other 7.65%. You never see the employer half — it disappears before your paycheck is calculated.
As a freelancer, you are both the employee and the employer. You pay both halves. That’s 15.3% on top of regular income tax, and it hits most people completely off guard in their first year.
This is self-employment tax. It’s not optional, not negotiable, and not something your clients will mention when they send you a 1099. The good news: it’s calculated on 92.35% of your net profit rather than your gross revenue, and you can deduct half of it from your taxable income. But the net effect is still substantial. Plan for it from day one.
How much to set aside
The honest answer depends on your income, your state, and your deductions. But for most freelancers earning between $50,000 and $150,000 in net profit, these ranges cover federal income tax, SE tax, and state income tax:
- 25–30% if you live in a no-income-tax state (Texas, Florida, Washington)
- 30–35% if you live in a moderate-tax state
- 35–40% if you live in a high-tax state (California, New York, Oregon)
These are conservative on purpose. Over-saving and getting a refund is fine. Underpaying and owing penalties is not.
The undercharging problem compounds this. Research suggests the majority of freelance copywriters, for example, set rates that don’t account for SE tax at all — meaning they’re not just underpaying tax, they’re underearning. The freelance copywriter rate guide shows how the numbers actually stack up.
The simplest system: open a separate savings account, label it taxes, and transfer your percentage every time a client pays you. Do not leave it in your operating account where it’s easy to spend. Treat it as money already gone.
The ChargeWhat freelance rate calculator shows exactly how SE tax, income tax, and expenses factor into your required hourly rate — based on your actual income target and state.
The exact SE tax calculation
Here’s how it works, step by step:
- Start with your net profit — revenue minus deductible business expenses
- Multiply by 92.35% to get your net earnings from self-employment
- Multiply that by 15.3% — that’s your SE tax
- Deduct half of your SE tax from your adjusted gross income before calculating income tax
On $90,000 in net profit:
- $90,000 × 92.35% = $83,115
- $83,115 × 15.3% = $12,717 in SE tax
- SE tax deduction: $12,717 ÷ 2 = $6,358 off your taxable income
That $12,717 is before a dollar of income tax. Add federal and state on top, and you see why 30% isn’t paranoia — it’s about right.
One note: the 15.3% rate applies up to $184,500 in net earnings for 2026. Above that threshold, only the 2.9% Medicare portion continues. If you’re earning above that level, a CPA is worth the cost.
For a deeper breakdown of how SE tax stacks with income tax — including a worked example by state — see the self-employment tax guide.
Quarterly estimated taxes
The US tax system is pay-as-you-go. Employees have taxes withheld from every paycheck. Freelancers have to do this manually, four times a year, by making estimated tax payments to the IRS and usually to their state as well.
If you expect to owe $1,000 or more for the year, you’re required to make these payments. Skip them and you’ll owe a penalty — even if you pay the full amount by April 15.
2026 quarterly due dates
| Payment period | Due date |
|---|---|
| January 1 – March 31 | April 15, 2026 |
| April 1 – May 31 | June 16, 2026 |
| June 1 – August 31 | September 15, 2026 |
| September 1 – December 31 | January 15, 2027 |
Note the odd spacing — Q2 only covers two months. This catches people out every year.
How much to pay
The safest approach is the safe harbor rule: pay at least 100% of what you owed last year, divided into four equal payments (110% if your prior year income exceeded $150,000). This protects you from underpayment penalties even if your income increases significantly this year.
If this is your first year freelancing, estimate based on your projected income using the set-aside percentages above.
How to pay
IRS Direct Pay at irs.gov/payments/direct-pay is free, requires no account, and takes about five minutes. Select “Estimated Tax” as the reason and “1040-ES” as the form. For state payments, your state’s revenue department will have an equivalent online portal.
Deductions worth tracking
Unlike employees, freelancers can deduct legitimate business expenses before calculating taxable income. This is one of the real advantages of self-employment — but only if you’re tracking everything.
The ones most freelancers know about
- Software and subscriptions — Adobe, Figma, Notion, project management tools, accounting software
- Equipment — computers, monitors, cameras, microphones. Under Section 179, you can often deduct the full cost in year one rather than depreciating over time
- Professional development — courses, books, conferences, certifications directly related to your work
- Professional services — CPA fees, attorney fees for business matters
The ones many freelancers miss
Home office deduction. If you use a dedicated space in your home exclusively for work, you can deduct a proportional share of rent or mortgage interest, utilities, and internet. The simplified method lets you deduct $5 per square foot up to 300 square feet — $1,500 maximum — without tracking exact costs.
Health insurance premiums. Self-employed individuals can deduct 100% of health, dental, and vision insurance premiums for themselves and their family. This is an above-the-line deduction, meaning you get it even without itemizing. It’s significant — individual coverage averages $450–600 per month.
Retirement contributions. Contributions to a SEP-IRA (up to 25% of net earnings, maximum around $69,000 for 2026) or a Solo 401(k) are fully deductible. This is one of the most powerful tax reduction tools available to freelancers. It’s also the most widely underused.
SE tax deduction. Half of your SE tax comes off your gross income automatically on Schedule SE. Worth knowing about when estimating what you’ll owe during the year.
Phone and internet. If you use your phone and internet for work — and most freelancers do — a reasonable percentage is deductible. Fifty to eighty percent is typical depending on your actual usage.
Payment processing fees. Stripe fees, PayPal fees, and business bank account fees all count as deductible business expenses.
Client-related travel and meals. Travel to meet clients and attend industry events is deductible. Meals with clients where business is discussed are 50% deductible.
The requirement for all of these: expenses must be ordinary and necessary for your business. Keep receipts. A business credit card used exclusively for business expenses makes this dramatically easier at tax time.
The 1099 situation
Starting in 2026, clients are only required to issue a 1099-NEC when they pay you $2,000 or more during the calendar year. That threshold was $600 for decades before the One Big Beautiful Bill Act raised it.
The change reduces paperwork for small businesses. For contractors, it means fewer forms arriving in January, not a lower tax bill.
Three things worth knowing:
You owe taxes on all your freelance income. Not just what appears on 1099s. A client who pays you $1,500 is no longer required to issue a form, but you’re still required to report and pay tax on that income. More of your income will now fall below the reporting threshold. Your obligation doesn’t change with it.
Payment processors report separately. Clients who pay via PayPal, Stripe, or credit card may have those payments reported on a 1099-K from the processor rather than a 1099-NEC from the client. The rules here have shifted recently — don’t assume that no 1099 means the IRS has no record.
Check that 1099s match your records. If a form arrives with the wrong amount or wrong name, contact the client to issue a corrected version. Filing with a known error creates problems later.
LLC vs S-Corp: the short version
Once you’re consistently netting $80,000 or more per year, this question will come up. The short version:
A single-member LLC gives you liability protection but changes nothing about how the IRS taxes you. You still pay SE tax on all net profits — identical to operating as a sole proprietor.
An S-Corp lets you split your income between a salary (subject to SE tax) and owner distributions (not subject to SE tax). At $100,000 in net profit, the savings can reach $5,000–$10,000 per year. The tradeoff is real overhead: payroll, a separate S-Corp tax return, and a CPA who understands the structure. Below $80,000–$100,000 in net profit, the compliance costs typically outweigh the savings.
The full breakdown — including the breakeven calculation, the reasonable salary requirement, and the QBI interaction most guides skip — is in the LLC vs S-Corp guide.
A tax system that doesn’t require willpower
The freelancers who handle taxes well aren’t necessarily more organised than everyone else. They’ve built a system that removes decisions from the process.
A setup that works for most freelancers:
One business checking account. All client payments in, all business expenses out. Mixing personal and business finances is the root of most tax headaches.
One tax savings account. Every time money hits your business account, transfer your set-aside percentage immediately. Treat it as untouchable.
One business credit card. Used exclusively for business expenses. Your monthly statement becomes a pre-organised expense report. At tax time you’re reviewing a list, not reconstructing six months of purchases.
Four calendar reminders. April 15, June 16, September 15, January 15. Set them a week early so you have time to calculate and pay without rushing.
Monthly income tracking. A simple spreadsheet — date, client, amount — is enough. Don’t let it pile up to year end.
None of this requires expensive software. A spreadsheet, two bank accounts, and four calendar reminders will carry most freelancers through the first several years without incident.
When to hire a CPA
The DIY approach works at lower income levels and simple situations. Consider bringing in a CPA when:
- You’re consistently netting $80,000 or more per year and want to evaluate S-Corp status
- You’ve missed quarterly payments and owe penalties
- You’re making significant retirement contributions and want to optimise
- You have a mix of W-2 and 1099 income in the same year
- You receive a notice from the IRS — don’t handle this alone
A CPA who works with freelancers and self-employed clients typically charges $300–$800 to prepare a Schedule C return. At moderate income levels, they’ll often save you more than their fee in deductions you didn’t know to claim.
Your rate has to account for all of this
Taxes blindside freelancers not because the rules are secret. It’s because most people set their rates based on what they want to earn without factoring in what they’ll actually keep.
At $50 per hour targeting $80,000 take-home, the math doesn’t work once SE tax, income tax, health insurance, and slow months are accounted for. You’d need to charge closer to $70–$80 per hour to actually reach that number.
The ChargeWhat freelance rate calculator does this calculation correctly — including the SE tax solve most calculators get wrong — so you can set a rate that accounts for the full picture before you quote a client.
This article is for informational purposes only and does not constitute tax or legal advice. Tax laws change frequently and vary by state and individual circumstance. Consult a licensed CPA or tax professional before making decisions about your business structure, deductions, or filing strategy.