Income Tax Calculator - Calculator See


Income Tax Calculator

Calculate federal income tax, FICA payroll taxes (Social Security & Medicare), state tax liabilities, and effective average tax rates.

Calculator Inputs

$
Total W-2 or 1099 annual earnings.
IRS filing category.
Standard or custom deductions.
%
State income tax percentage (0% in TX, FL, WA, etc.).

Calculated Results

Estimated Total Tax Liability
$13,760.00 (Effective Rate: 18.35%)
Federal Income Tax $8,022.00 (10.70%)
FICA Payroll Taxes (SS + Med) $5,738.00 (7.65%)
Estimated Take-Home Pay $61,240.00 / year
Values calculate live as you adjust inputs.

About Income Tax Calculator

Models progressive federal marginal tax brackets, 7.65% FICA payroll contributions, and state tax deductions to calculate net take-home earnings.

What is Income Tax Calculator?

Models progressive federal marginal tax brackets, 7.65% FICA payroll contributions, and state tax deductions to calculate net take-home earnings.

How to Use This Calculator

  1. Enter annual gross wage.
  2. Select tax filing status.
  3. Choose standard deduction and enter state tax percentage.
  4. Review effective tax rate and annual take-home pay.

The Mathematical Formula & Variables

Taxable Income = Gross - Standard Deduction; Apply graduated marginal brackets

Step-by-Step Worked Example

Scenario: $75,000 income for Single filer with standard deduction ($14,600).

  1. Taxable income = $75,000 - $14,600 = $60,400.
  2. 10% on first $11,600 = $1,160.
  3. 12% on $11,600 to $47,150 ($35,550) = $4,266.
  4. 22% on remainder ($13,250) = $2,915.
  5. Total federal = $8,341. FICA (7.65%) = $5,737.50.

Result: $14,078.50 Total Taxes

Frequently Asked Questions

What is the difference between marginal tax rate and effective tax rate?

Your marginal rate is the tax paid on your last dollar earned (e.g. 22%), while effective rate is the average percentage paid across your entire gross income (e.g. 18.7%).