2025 estimated tax calculator

Work out each 2025 quarterly payment — using equal installments or the IRS Form 2210 Schedule AI annualized income installment method — with the 2025 brackets, standard deduction, capital gains rates and deadlines already applied.

Free, no sign-up, and every step of the math is shown. Covers self-employment tax, capital gains, the Net Investment Income Tax and the safe harbor tests.

Open the 2025 calculator

2025 quarterly estimated tax due dates

Four installments, covering periods that are not equal quarters. Each date below is the date the payment is actually due for 2025, after the weekend and legal holiday shifts.

InstallmentIncome earnedDue date
Q1Jan 1 – Mar 31Apr 15, 2025
Q2Jan 1 – May 31Jun 16, 2025
Q3Jan 1 – Aug 31Sep 15, 2025
Q4Jan 1 – Dec 31Jan 15, 2026

2025 standard deduction

Subtracted from your income before the brackets apply, unless your itemized deductions come to more.

Filing status2025 standard deduction
Single$15,750.00
Married filing jointly$31,500.00
Married filing separately$15,750.00
Head of household$23,625.00

2025 federal income tax brackets

The rates applied to ordinary income — wages, self-employment income, interest and short-term gains. Ranges are taxable income, after your deduction.

2025 ordinary income tax brackets by filing status.
RateSingleMarried filing jointlyMarried filing separatelyHead of household
10%$0.00 – $11,925.00$0.00 – $23,850.00$0.00 – $11,925.00$0.00 – $17,000.00
12%$11,925.00 – $48,475.00$23,850.00 – $96,950.00$11,925.00 – $48,475.00$17,000.00 – $64,850.00
22%$48,475.00 – $103,350.00$96,950.00 – $206,700.00$48,475.00 – $103,350.00$64,850.00 – $103,350.00
24%$103,350.00 – $197,300.00$206,700.00 – $394,600.00$103,350.00 – $197,300.00$103,350.00 – $197,300.00
32%$197,300.00 – $250,525.00$394,600.00 – $501,050.00$197,300.00 – $250,525.00$197,300.00 – $250,500.00
35%$250,525.00 – $626,350.00$501,050.00 – $751,600.00$250,525.00 – $375,800.00$250,500.00 – $626,350.00
37%$626,350.00+$751,600.00+$375,800.00+$626,350.00+

2025 long-term capital gains rates

Long-term gains and qualified dividends are taxed on their own schedule, stacked on top of your ordinary income rather than beside it.

2025 long-term capital gains and qualified dividend brackets.
RateSingleMarried filing jointlyMarried filing separatelyHead of household
0%$0.00 – $48,350.00$0.00 – $96,700.00$0.00 – $48,350.00$0.00 – $64,750.00
15%$48,350.00 – $533,400.00$96,700.00 – $600,050.00$48,350.00 – $300,000.00$64,750.00 – $566,700.00
20%$533,400.00+$600,050.00+$300,000.00+$566,700.00+

Self-employment tax in 2025

Self-employment income carries 15.3% in SE tax on top of income tax — 12.4% Social Security and 2.9% Medicare — charged on 92.35% of net earnings. For 2025 the Social Security portion stops at $176,100.00 of earnings; the Medicare portion has no ceiling. Half of what you pay is deductible against income tax, and the calculator applies that automatically.

2025 safe harbor: what stops a penalty

You avoid an underpayment penalty for 2025 by meeting either safe harbor: 90% of your final 2025 tax, or 100% of your total 2024 tax. The prior-year figure rises to 110% if your 2024 adjusted gross income was above $150,000.00 ($75,000.00 married filing separately).

The prior-year safe harbor is usually the easier one to hit, because you already know the number — it is on your 2024 return. The calculator tests both and shows which costs less.

2025 estimated tax questions

When are 2025 estimated tax payments due?
The four 2025 installments are due Apr 15, 2025, Jun 16, 2025, Sep 15, 2025, Jan 15, 2026. A deadline that falls on a weekend or legal holiday moves to the next business day, and the dates above already account for that.
What is the 2025 standard deduction?
For 2025 it is $15,750.00 single, $31,500.00 married filing jointly, $15,750.00 married filing separately, $23,625.00 head of household. The calculator applies it automatically unless your itemized deductions come to more.
How much do I need to pay to avoid a 2025 underpayment penalty?
Meet one of the two safe harbors: pay at least 90% of your final 2025 tax, or 100% of your total 2024 tax — 110% if your 2024 adjusted gross income was over $150,000.00 ($75,000.00 if married filing separately). The calculator tests both and tells you which is cheaper.
What is the 2025 Social Security wage base for self-employment tax?
$176,100.00. Self-employment income above that is no longer subject to the 12.4% Social Security portion, though the 2.9% Medicare portion continues with no cap.
Can I use the annualized income installment method for 2025?
Yes. If your 2025 income arrives unevenly, Schedule AI of IRS Form 2210 lets you size each installment to the income you had actually earned by that point in the year, rather than paying four equal amounts. This calculator supports it in full.

EstimatedTax is informational only and does not constitute tax advice. Figures are the published IRS amounts for the 2025 tax year; verify against your own circumstances or with a qualified tax professional.