Estimated Tax Calculator for Individuals & Small Businesses

TaxFlow Pro | US Estimated Tax Calculator

US Estimated Tax Calculator

Professional tax estimation for Small Businesses and Individuals. Calculate quarterly payments with confidence.

🏢 Business Information

Operating Expenses ? All business-related expenses that reduce your taxable income.
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What-If Business Simulator
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Revenue $185,000
Operating Expenses $86,200
Owner Compensation $60,000

📊 Business Tax Results

$27,842
Estimated Annual Business Tax
$98,800
Net Business Profit
19.5%
Effective Tax Rate
$7,056
Self-Employment Tax
$15,842
Remaining Tax Due
53.4%
Net Profit Margin
Healthy Profit Margin: Your business shows strong profitability with good expense management.

Quarterly Estimated Payments

Q1 Payment
$3,961
Due: April 15, 2026
Q2 Payment
$3,961
Due: June 15, 2026
Q3 Payment
$3,961
Due: Sep 15, 2026
Q4 Payment
$3,961
Due: Jan 15, 2027

👤 Individual Information

Dividends, interest, freelance income, capital gains
Deductions ? Choose the deduction method that gives you the largest tax benefit.
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$27,700 for Married Filing Jointly
If deductible expenses exceed standard deduction
You save more by choosing: Standard
Business Expenses ? Deductible expenses if you're self-employed or a freelancer.
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What-If Scenario Simulator
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Annual Income $85,000
Business Expenses $6,600
Additional Income $18,700

📊 Individual Tax Results

$14,327
Estimated Annual Federal Tax
16.1%
Effective Tax Rate
$89,000
Taxable Income
$103,700
Adjusted Gross Income
$89,373
Net Income After Tax
Deduction Method Used:
Standard Deduction
Underpayment Warning: Your estimated tax due exceeds $1,000. Quarterly payments are recommended to avoid IRS penalties.

Quarterly Estimated Payments

Q1 Payment
$1,582
Due: April 15, 2026
Q2 Payment
$1,582
Due: June 15, 2026
Q3 Payment
$1,582
Due: Sep 15, 2026
Q4 Payment
$1,582
Due: Jan 15, 2027

📅 Quarterly Tax Calendar 2026

Q1 Payment
Due: April 15, 2026
Q2 Payment
Due: June 15, 2026
Q3 Payment
Due: September 15, 2026
Q4 Payment
Due: January 15, 2027

Disclaimer: This calculator provides estimates only. Tax laws are complex and change frequently. These calculations are based on current federal tax rates and should not be considered as professional tax advice. Consult with a qualified tax professional for personalized guidance.

Choose the Calculator That Fits You

tax management

This calculator is divided into two simple sections, so you only see what’s relevant to you.

Individuals & Self-Employed

Best for salaried employees, freelancers, and independent professionals.

Use this tab to:

  • Enter income and additional income

  • Compare standard vs itemized deductions

  • Add business expenses if you’re self-employed

  • See how much tax you may owe for the year

  • Get a quarterly tax payment estimate

Small Businesses

Built for business owners who want clearer visibility into profits and taxes.

Use this tab to:

  • Enter annual business revenue

  • Add structured operating expenses

  • Include owner salary or draws

  • Estimate business tax liability

  • Plan quarterly tax payments confidently

tax management
tax management

How the Estimated Tax Calculator Works

budget calculator

Step 1: Add Income or Revenue
Enter your annual income or business revenue, along with any additional income.

Step 2: Select Deductions and Expenses
Choose between standard or itemized deductions, or add business expenses where applicable. The calculator helps you pick the option that works best for you.

Step 3: View Tax Summary
Instantly see:

  • Estimated annual federal tax

  • Effective tax rate

  • Net income after tax

  • Quarterly estimated tax payments

Understand Your Quarterly Tax Payments

budget calculator

If your estimated tax due is above IRS thresholds, the calculator breaks your tax into four quarterly payments. This helps you:

  • Stay compliant

  • Avoid underpayment penalties

  • Plan cash flow better

Each quarter’s amount is clearly shown so you know what to expect.

budget calculator

Why Use an Estimated Tax Calculator?

Estimating taxes in advance helps you:

  • Avoid last-minute tax stress

  • Prepare for quarterly payments

  • Understand how income, deductions, and expenses affect tax

  • Make smarter financial decisions throughout the year

This calculator focuses on clarity and practical planning — not complex tax forms.

Start Estimating Your Taxes Today

budget calculator

Use the calculator above to estimate your taxes in minutes.
Whether you’re filing as an individual or running a small business, this tool helps you plan ahead with confidence.

👉 Download the Manage Receipt app for free and manage your taxes hassle-free.

budget calculator

Why Visual Budgeting Helps

Smart Expense Tracking for Everyone

Professional Solutions

Frequently Asked Questions

What is an estimated tax calculator?

An estimated tax calculator helps you estimate how much federal tax you may owe for the year and how much to pay quarterly.

Who should use this calculator?

Individuals, freelancers, self-employed professionals, and small business owners in the United States.

Does this calculate state taxes?

No, this calculator focuses on U.S. federal taxes only.

Are quarterly tax payments required?

If you expect to owe $1,000 or more in taxes, the IRS generally requires quarterly estimated payments.

Is this calculator accurate?

The calculator provides estimates based on current tax rules. Actual tax liability may vary based on individual circumstances.

An estimated tax calculator helps you estimate how much federal tax you may owe for the year and how much to pay quarterly.

Individuals, freelancers, self-employed professionals, and small business owners in the United States.

No, this calculator focuses on U.S. federal taxes only.

If you expect to owe $1,000 or more in taxes, the IRS generally requires quarterly estimated payments.

The calculator provides estimates based on current tax rules. Actual tax liability may vary based on individual circumstances.