Quarterly Estimated Tax Dates for 2027: The Full Schedule

If you’re self-employed, the IRS doesn’t wait until April to collect what you owe. Freelancers, 1099 contractors, and small business owners are expected to pay taxes in four installments across the year – and missing or underpaying those installments means an underpayment penalty, even if you pay everything owed by the filing deadline. Here’s the full schedule for the 2026 tax year, the rules that protect you from penalties, and the simplest way to figure out what to send.

Disclaimer: This article provides general information only and does not constitute tax advice. Consult a qualified tax professional (CPA or Enrolled Agent) for advice specific to your situation.

The 2026 Tax Year Payment Dates

These are the four estimated payment deadlines for income earned during the 2026 tax year, made using Form 1040-ES:

Notice the quarters aren’t even – the IRS groups them unevenly, so Q2 only covers two months and Q3 covers three. That’s normal; it’s the same pattern every year.

The January 15, 2027 waiver: if you file your complete 2026 tax return and pay the full balance due by February 1, 2027, you can skip the January 15 payment entirely. This is a genuine escape hatch for people who’d rather just file early than juggle a fourth quarterly payment – but it only works if the return is both filed and paid in full by that date. Filing alone doesn’t satisfy it.

Looking ahead to 2027 tax year payments: the IRS hadn’t published the 2027 tax year 1040-ES schedule as of this writing. Based on the standard calendar pattern, the first two payments are expected to fall on April 15, 2027 and June 15, 2027 – but treat those as projections, not confirmed dates, until the IRS publishes the actual schedule closer to the time.

The Safe Harbor Rules

You’re required to make estimated payments if you expect to owe $1,000 or more for the year after subtracting withholding and credits. But the IRS doesn’t expect you to predict your income perfectly – the safe harbor rules protect you from a penalty as long as you pay enough along the way:

• Pay at least 90% of your current year’s tax liability, or
• Pay at least 100% of your prior year’s total tax liability – rising to 110% if your prior-year adjusted gross income was over $150,000 ($75,000 if you’re married filing separately).

Whichever of those two thresholds is smaller is the one you need to hit. If your income is unpredictable, the prior-year safe harbor is usually the easier target: take last year’s total tax bill, apply the 100%/110% rule, and split it into four payments. You’re protected from an underpayment penalty even if this year turns out to be a much bigger earning year than last year.

How to Actually Estimate What to Pay

The simplest approach, and the one most freelancers actually use: take your total tax liability from last year and divide by four. That’s your baseline quarterly payment, and if your income this year is roughly similar to last year, it satisfies the prior-year safe harbor automatically.

If this is your first year with significant 1099 income, or your income jumped meaningfully, work from your projected current-year numbers instead:

1. Estimate your total expected net self-employment income for the year.
2. Subtract your expected deductions (home office, mileage, retirement contributions, the standard deduction if you’re not itemizing).
3. Calculate income tax on the result at your expected bracket, and add self-employment tax on top – see our self-employment tax breakdown for exactly how that 15.3% is calculated.
4. Divide the total by four.

If the math feels like a lot to redo every quarter, our free 1099 tax calculator runs both the self-employment tax and the safe-harbor comparison for you, so you can see your suggested quarterly number without building a spreadsheet.

What Happens If You Skip a Payment

If you don’t pay enough by each due date, the IRS charges an underpayment penalty – calculated as interest on the shortfall for the period it went unpaid, using Form 2210. It’s not a flat fine, and it’s generally not severe compared to a full year’s tax bill, but it adds up if you skip payments entirely and just settle everything at filing time. The penalty also doesn’t disappear just because you eventually pay in full by April 15 – it’s assessed quarter by quarter based on when the money should have arrived.

If your income came in very unevenly across the year – a big Q4 after a slow start, for example – the annualized income installment method on Form 2210 can reduce or eliminate the penalty for the quarters when you genuinely hadn’t earned much yet. It’s more paperwork, but worth it if one quarter is wildly out of line with the others.

Building the Habit

The freelancers who handle quarterly taxes with the least stress aren’t the ones with the highest incomes – they’re the ones who treat every incoming payment as partially spoken for. A common rule of thumb is setting aside a fixed percentage of each payment the moment it lands, into an account you don’t touch until the next due date. Pair that with a running record of your deductible expenses throughout the quarter – not reconstructed from memory in the days before the deadline – and the quarterly payment becomes a five-minute task instead of a stressful one. Our 1099 expense tracking guide covers what that record-keeping habit should look like day to day.

Stay Ahead of Every Deadline

Quarterly taxes are one of the few parts of self-employment where being early costs you nothing and being late costs you real money. Mark all four 2026 dates now, decide which safe harbor you’re targeting, and keep your expense records current so the number you calculate each quarter is accurate rather than a guess.

Taxr won’t calculate or file your quarterly payments, but it keeps the expense side of your return – the deductions that shrink your tax bill in the first place – organized and ready to export the moment you need them for your tax software or your accountant. Download Taxr and keep your records current all year, not just in the week before a deadline.